605+ Free Online Tools for Everyday Life
Calculators, converters, text, image and PDF tools. 100% free, no signup — everything runs in your browser, so your files never leave your device.
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Age CalculatorCalculate your exact age in years, months and days from your date of birth. Free online age calculator with next-birthday countdown.BMI CalculatorCalculate your Body Mass Index from height and weight (metric or imperial) and see your WHO weight category instantly.Percentage CalculatorFind X% of a number, what percent X is of Y, and percentage increase or decrease — three percentage calculators in one.EMI CalculatorCalculate your monthly EMI, total interest and total payment for home, car and personal loans, with a full amortization view.Pregnancy Due Date CalculatorCalculate your estimated due date from your last period using Naegele's rule, plus gestational age, trimester and conception date.Mortgage CalculatorCalculate your monthly mortgage payment from home price, down payment, rate and term — with property tax, insurance and total interest.Income Tax Calculator (India, FY 2025-26)Calculate income tax for FY 2025-26 (AY 2026-27) under the new and old regimes — slab-wise breakdown, 87A rebate, cess and monthly in-hand.FD CalculatorCalculate fixed deposit maturity amount and interest earned with quarterly compounding — works for SBI, HDFC, ICICI, Post Office and all bank FDs.Zakat CalculatorCalculate zakat at 2.5% on cash, gold, silver, investments and business assets minus debts, with nisab threshold check (87.48g gold / 612.36g silver).Word CounterCount words, characters, sentences and paragraphs in real time, with reading time and keyword density.Fancy Text GeneratorTurn plain text into stylish Unicode fonts — bold, italic, script, bubble and more — to copy into Instagram, WhatsApp and bios.Password GeneratorGenerate strong, random passwords with custom length, symbols, numbers and mixed case — created securely in your browser.QR Code GeneratorCreate free QR codes for links, text, WiFi networks and contact cards, then download them as high-resolution PNG.Lorem Ipsum GeneratorGenerate lorem ipsum placeholder text by paragraphs, sentences or words — free dummy text for designs, mockups and layouts.Signature GeneratorCreate your handwritten signature online — type your name in 6 cursive styles or draw it by hand, then download a transparent PNG for documents.Unit ConverterConvert length, weight, temperature, area, speed and volume — kg to lbs, cm to feet, °C to °F, miles to km and more.Currency ConverterConvert between 30+ world currencies — USD, EUR, GBP, INR, PKR, AED and more — with daily mid-market exchange rates from the ECB.Countdown TimerFree online countdown timer — set minutes or a target date, get a huge live display, progress bar, and an audible alarm when time is up.Image CompressorCompress JPG, PNG and WebP images to an exact target size — 20KB, 50KB, 100KB or any size you need — right in your browser.Image ResizerResize images to exact pixel dimensions or presets like passport photo sizes — free, private, no upload to any server.HEIC to JPG ConverterConvert iPhone HEIC photos to JPG or PNG in your browser — free, private and no software to install.Meme GeneratorMake memes free online — add classic top and bottom Impact text to any image and download as PNG or JPG, no watermark, no sign-up.Barcode GeneratorGenerate CODE 128, EAN-13, UPC-A, CODE 39 and ITF-14 barcodes free online and download as PNG — rendered in your browser, no sign-up.Merge PDFCombine multiple PDF files into one, in any order — free, unlimited and 100% private (files never leave your browser).Compress PDFReduce PDF file size — including to targets like 100KB or 200KB — with browser-side compression that keeps your files private.JPG to PDFConvert JPG and PNG images into a single PDF — reorder pages, choose page size and margins, all in your browser.Invoice GeneratorCreate a professional PDF invoice free — line items, tax and discount, ₹ $ € £ currencies, clean A4 layout. No sign-up, made in your browser.JSON Formatter & ValidatorFormat, validate and minify JSON online. Pretty-print with 2 or 4 spaces, see exact error line and column, copy or download the result.Regex TesterTest regular expressions live with highlighted matches, capture groups, match positions and flags — plus ready-made patterns for email, URL, IP.YouTube Thumbnail DownloaderDownload YouTube video thumbnails in HD — paste any video link and save the image in 1280×720, 640×480, 480×360 or 320×180.Hashtag GeneratorGenerate Instagram and TikTok hashtags from any keyword — pick a niche, choose 10–30 tags, and copy a ready-to-paste hashtag block.Love CalculatorEnter two names and get a fun love compatibility percentage with an animated heart — a classic love calculator, just for entertainment.Wheel Spinner (Random Picker)Spin a colorful wheel to pick a random name or option. Add entries one per line, spin, and get a fair winner — free online picker wheel.Typing Speed TestTest your typing speed in 30, 60 or 120 seconds. Get your WPM, raw WPM and accuracy with live word highlighting — free, no sign-up.Background RemoverRemove the background from any photo with AI that runs in your browser — free, no upload, no watermark, transparent PNG output.QR Code ScannerScan a QR code from an image or with your camera, right in the browser. Decode links, Wi-Fi codes and text — free, private, no app.Salary Tax Calculator Pakistan (2026-27)Calculate income tax on your monthly salary in Pakistan for FY 2026-2027 — see monthly take-home pay, or work backwards from take-home to gross salary.Social Media Image ResizerResize one image for every platform at once: Instagram, Facebook, X, LinkedIn, YouTube and WhatsApp sizes — download all as a ZIP. Free, no signup.WhatsApp QR Code GeneratorCreate a free QR code that opens a WhatsApp chat with your number, with an optional pre-filled message. Download PNG or copy your wa.me link.FAQ Schema GeneratorGenerate FAQPage JSON-LD schema markup online — add questions and answers, copy a valid rich-results snippet, and paste it into your page. Free.Marks Percentage CalculatorCalculate exam percentage from obtained and total marks, with subject-wise totals and grade bands used by Pakistani boards. Free and instant.Pakistan Mobile Balance Tax CalculatorCalculate how much balance you actually get on a mobile card load in Pakistan after withholding tax and GST — Jazz, Zong, Telenor, Ufone. Rates editable.Pakistan Solar System Size CalculatorFind the right solar system size in kW for your home in Pakistan from your monthly units or bill — panel count, inverter size, battery backup and cost range.Zakat on Gold Calculator PakistanCalculate zakat on gold in Pakistani rupees — enter weight in tola or grams, karat and today's gold rate to get the 2.5% zakat and nisab check instantly.Paraphrasing ToolFree AI paraphrasing tool — rewrite any text in Standard, Fluent, Formal, Simple or Creative mode while keeping the meaning. No signup.Grammar CheckerFree AI grammar checker — find and fix grammar, punctuation and style mistakes with explanations for every correction. No signup needed.Text SummarizerFree AI text summarizer — condense articles and documents into a short, medium or detailed summary as paragraphs or bullets. No signup.Instagram Caption GeneratorWrite Instagram captions with AI — describe your post, pick a tone and length, and get 5 caption options with hashtags and calls to action.LinkedIn Post GeneratorGenerate a structured LinkedIn post with AI — hook line, short paragraphs, call to action and hashtags, tuned to your topic and goal. Free.YouTube Title GeneratorGenerate clickable YouTube title ideas with AI — 8 options in how-to, listicle, versus and curiosity styles with character-count indicators.Page Speed TestFree page speed test powered by Google Lighthouse — performance score, FCP, LCP, TBT, CLS and Speed Index plus prioritized fixes with estimated savings.Auto Subtitle GeneratorGenerate subtitles from audio or video with AI — accurate timed captions in 9+ languages, edit each line, then download as SRT or VTT. Free, no signup.Change Image BackgroundReplace a photo background with white, passport blue/red, any color or your own image — AI segmentation in your browser. Free, private, no signup.Gold Price Calculator PakistanCalculate gold value in PKR by tola, gram or masha and karat (24K/22K/21K/18K). Enter today's sarafa rate, add making charges — free, no signup.Calorie Deficit CalculatorFree calorie deficit calculator: enter maintenance calories, weight-loss goal and timeframe to get your daily calorie target and safe pace. No signup.BMR CalculatorFree BMR calculator using Mifflin-St Jeor, Harris-Benedict and Katch-McArdle formulas, with a daily calorie (TDEE) table for every activity level.ROI CalculatorCalculate return on investment from cost and gain — ROI percentage, net profit and annualized ROI with calculation steps shown. Free, instant, no signup.Macro CalculatorTurn your daily calorie target into protein, carb and fat grams with balanced, high-protein, low-carb, keto or custom splits. Per-meal grams included.Personal Loan CalculatorCalculate your personal loan monthly payment, total interest and true APR including origination fees — free, instant and private.One Rep Max CalculatorEstimate your one-rep max from any set using Epley, Brzycki, Lombardi and O'Conner formulas, plus a training percentage table.IP Subnet CalculatorCalculate network address, broadcast, usable host range, subnet mask and host count from any IPv4 address and CIDR prefix. Free and instant.HTTP Status Code LookupLook up any HTTP status code's meaning, category and common usage. Search by number or keyword across 1xx to 5xx — instant reference for developers.Text to SpeechFree text to speech — read any text aloud in your browser with selectable voices and languages, adjustable speed, pitch and volume. No signup.World ClockLive world clock — current time in multiple cities at once with dates, UTC offsets, 12/24-hour formats and your own city list. Free, no signup.Watermark ImageAdd a text or logo watermark to any image online. Control position, size, opacity, rotation and tiling — all in your browser, free and private.WhatsApp Link GeneratorCreate a wa.me click-to-chat WhatsApp link with a pre-filled message, plus a website button and QR code. Free, private, works for WhatsApp Business.PDF to Text ConverterExtract selectable text from a PDF free — copy it or download a .txt file, with word count. Runs privately in your browser, nothing uploaded.Text to PDF ConverterTurn plain text into a clean, formatted PDF free — choose page size, font and margins, with automatic line wrapping. Private, in your browser.MP3 to WAV ConverterConvert MP3 to uncompressed 16-bit WAV in your browser, with optional sample-rate choice. Free, private, no signup or upload.Voice RecorderRecord your voice in the browser with a live level meter and timer, then download as WebM or convert to MP3. Free, private, no upload.Page Size CheckerFree page size checker — measure a page's HTML weight and count its images, scripts and stylesheets to estimate total page size and find bloat.URL ShortenerFree URL shortener — turn any long link into a short, shareable is.gd URL in one click. No signup, copy instantly, ready for social and print.Broken Link CheckerFree broken link checker — fetch a page, extract its links, and test each one's HTTP status to find 404s and broken links, with a clear status report.PDF to Excel ConverterFree PDF to Excel converter — pull tables out of a PDF into an editable XLSX spreadsheet you can sort, filter and calculate. Fast and simple.Plagiarism CheckerFree plagiarism checker — compare your text against sources for similarity and get a report of matching passages. Powered by AI, fast and no signup.Video to GIF ConverterConvert a chosen segment of a video into a crisp animated GIF, with trim, size and frame-rate control. Free, private, no upload.Video CompressorShrink video file size with a simple quality slider, right in your browser. Free, private, no signup or upload.Video ConverterConvert video between MP4, WebM, MKV and MOV with a quality choice, in your browser. Free, private, no signup or upload.Sign PDFSign a PDF free — draw or type your signature and place it on any page with adjustable size and position. Private, in your browser, nothing uploaded.Word to PDF ConverterConvert Word DOCX documents to a clean PDF free — headings, paragraphs and lists rendered with proper typography. Private, in your browser.APA Citation GeneratorGenerate APA 7th edition references and in-text citations for books, websites and journals. Free APA citation generator with copy button.Retirement CalculatorProject your retirement savings and see if you are on track. Free retirement calculator showing your future balance, shortfall and target contribution.Scientific CalculatorA full online scientific calculator with trig, logs, powers, roots, parentheses and memory. Free, keyboard-friendly and works on any device.JSON Diff CheckerCompare two JSON documents structurally and see exactly what was added, removed or changed, with the full path to every difference.JWT GeneratorCreate signed JSON Web Tokens (HS256/384/512) from a header, payload and secret — signed locally with Web Crypto, nothing uploaded.Shoe Size ConverterConvert shoe sizes between US, UK, EU and centimetres for men and women, with a full reference chart. Instant and free.Passport Photo MakerFree passport photo maker — crop your portrait to official country sizes with a white background, and get a printable sheet. Runs in your browser.Pakistan Electricity Bill CalculatorFree Pakistan electricity bill calculator — estimate your bill from units used with editable tariff slabs and taxes, and see a slab-by-slab breakdown in Rs.Ramadan CountdownFree Ramadan countdown — see the days, hours and minutes until the estimated start of Ramadan, with expected dates for upcoming years. No signup.
All Tools
Online Calculators
Age CalculatorCalculate your exact age in years, months and days from your date of birth. Free online age calculator with next-birthday countdown.BMI CalculatorCalculate your Body Mass Index from height and weight (metric or imperial) and see your WHO weight category instantly.Percentage CalculatorFind X% of a number, what percent X is of Y, and percentage increase or decrease — three percentage calculators in one.Date Difference CalculatorCount the days, weeks, months and years between two dates, or add and subtract days from any date.Calorie Calculator (TDEE)Calculate your daily calorie needs (TDEE) and BMR from age, height, weight and activity level — with targets for weight loss and gain.GPA & CGPA CalculatorCalculate GPA from grades and credits, and convert CGPA to percentage or percentage to CGPA (10-point and 4-point scales).EMI CalculatorCalculate your monthly EMI, total interest and total payment for home, car and personal loans, with a full amortization view.SIP CalculatorEstimate the future value of your monthly SIP mutual fund investments — invested amount, expected returns and maturity value.Compound Interest CalculatorSee how your money grows with compound interest — choose principal, rate, time and compounding frequency, with a year-by-year breakdown.GST CalculatorAdd or remove GST at 5%, 12%, 18% or 28% (or any custom rate) and see the CGST/SGST split — also works as a VAT calculator.Loan CalculatorWork out monthly payments, total interest and payoff time for any loan amount, interest rate and term.Tip & Discount CalculatorCalculate the tip and split the bill between friends, or find the final price after any discount percentage.Pregnancy Due Date CalculatorCalculate your estimated due date from your last period using Naegele's rule, plus gestational age, trimester and conception date.Ovulation CalculatorFind your ovulation date and fertile window from your last period and cycle length — plus next period and implantation dates.Body Fat CalculatorEstimate your body fat percentage with the US Navy tape method from neck, waist and hip measurements — with ACE category, fat and lean mass.Ideal Weight CalculatorFind your ideal body weight by height and gender using the Devine, Robinson, Miller and Hamwi formulas, plus the BMI-based healthy range.Water Intake CalculatorCalculate how much water you should drink a day from your weight, exercise and climate — daily target in litres and 250 ml glasses.Running Pace CalculatorCalculate running pace, finish time or distance — enter any two and get the third, with 5K, 10K, half and full marathon splits.Mortgage CalculatorCalculate your monthly mortgage payment from home price, down payment, rate and term — with property tax, insurance and total interest.Salary to Hourly CalculatorConvert annual salary to hourly rate — or hourly to yearly — with monthly, biweekly, weekly and daily pay based on your real working hours.Income Tax Calculator (India, FY 2025-26)Calculate income tax for FY 2025-26 (AY 2026-27) under the new and old regimes — slab-wise breakdown, 87A rebate, cess and monthly in-hand.Inflation CalculatorSee what inflation does to your money — future cost of today's amount and today's purchasing power of a future sum, year by year.FD CalculatorCalculate fixed deposit maturity amount and interest earned with quarterly compounding — works for SBI, HDFC, ICICI, Post Office and all bank FDs.RD CalculatorCalculate recurring deposit maturity value, total deposits and interest earned using the standard quarterly-compounding RD formula used by Indian banks.PPF CalculatorCalculate PPF maturity value, interest and year-by-year balance for 15–50 years at the current 7.1% rate. Tax-free returns with Section 80C benefit.Margin CalculatorCalculate profit margin and markup from cost and selling price, or find the right selling price from cost and desired margin percentage.PayPal Fee CalculatorCalculate PayPal fees for domestic and international payments, see what you'll receive, and find how much to invoice to receive a target amount.Zakat CalculatorCalculate zakat at 2.5% on cash, gold, silver, investments and business assets minus debts, with nisab threshold check (87.48g gold / 612.36g silver).Average CalculatorFind the mean, median, mode, range, sum, min, max and geometric mean of any list of numbers — paste comma, space or newline separated values.Standard Deviation CalculatorCalculate sample and population standard deviation, variance and mean from a data set, with the formula and calculation steps explained.Fraction CalculatorAdd, subtract, multiply and divide fractions with results simplified to lowest terms, shown as mixed numbers and decimals. Includes a fraction simplifier.Ratio CalculatorSimplify ratios to lowest terms, solve proportions (A:B = C:X) for any missing value, and scale ratios up or down by any factor.LCM & HCF CalculatorFind the LCM and HCF (GCD) of two or more numbers instantly, with prime factorization shown for up to 4 numbers to explain the answer.Quadratic Equation SolverSolve ax² + bx + c = 0 instantly — real or complex roots, discriminant, vertex and factored form, with the quadratic formula steps explained.Salary Tax Calculator Pakistan (2026-27)Calculate income tax on your monthly salary in Pakistan for FY 2026-2027 — see monthly take-home pay, or work backwards from take-home to gross salary.Break-Even CalculatorFind how many units you must sell to cover fixed and variable costs. Free break-even calculator with contribution margin and margin of safety.CAGR CalculatorCalculate compound annual growth rate from initial value, final value and years. Free CAGR calculator with year-by-year growth table and reverse mode.Circle CalculatorEnter any one circle measurement — radius, diameter, circumference or area — and get the other three instantly, with all formulas shown.Debt-to-Income Ratio CalculatorCalculate your front-end and back-end DTI ratio from monthly income and debt payments. See instantly if your debt level is good, ok or too high.Decimal to Fraction CalculatorConvert any decimal to a simplified fraction and mixed number with step-by-step working, including repeating decimals like 0.333... and 0.1666...Fraction to Decimal CalculatorConvert any fraction to a decimal and percentage. Detects repeating decimals and shows the recurring pattern, e.g. 1/6 = 0.1(6) = 16.67%.Marks Percentage CalculatorCalculate exam percentage from obtained and total marks, with subject-wise totals and grade bands used by Pakistani boards. Free and instant.Protein Intake CalculatorFind your daily protein target in grams from body weight, activity level and goal — maintain, build muscle or lose fat — with a per-meal split.Pythagorean Theorem CalculatorSolve a right triangle from any two sides using a² + b² = c². Get the missing side, area, perimeter and angles instantly, with the check shown.Simple Interest CalculatorCalculate simple interest with SI = P×R×T/100. Get total amount, a monthly breakdown table and a comparison against compound interest.Slope CalculatorFind the slope between two points plus the line equation y = mx + b, angle, distance and intercepts. Handles vertical lines correctly.Square Root CalculatorCalculate square roots and cube roots with simplified radical form (√48 = 4√3), perfect-square detection and a nearby perfect squares table.Stock Average CalculatorCalculate your average share cost across multiple buys, and preview your new average before buying more. Works with PSX, NSE, US stocks and crypto.Test Score CalculatorConvert correct answers into a percentage and letter grade, and see how many questions you can still miss to keep your target grade.Weighted Average CalculatorCalculate a weighted average from values and weights — grades with credit hours, portfolio returns, weighted marks — and compare it to the simple mean.Calorie Deficit CalculatorFree calorie deficit calculator: enter maintenance calories, weight-loss goal and timeframe to get your daily calorie target and safe pace. No signup.Probability CalculatorFree probability calculator for single and combined events. Get probability, complement and odds from favorable outcomes or two event probabilities.Right Triangle CalculatorSolve a right triangle from any two known values — two legs, a leg and hypotenuse, or a side and angle. Get all sides, angles, area and perimeter free.Sample Size CalculatorFree sample size calculator for surveys and studies. Set confidence level, margin of error and population to get the required sample size instantly.Triangle CalculatorFree triangle calculator: solve any triangle from SSS, SAS or ASA inputs. Get missing sides, angles, area, perimeter and height instantly online.APY CalculatorFree APY calculator: convert a nominal interest rate and compounding frequency into annual percentage yield, plus one-year earnings on your deposit.BMR CalculatorFree BMR calculator using Mifflin-St Jeor, Harris-Benedict and Katch-McArdle formulas, with a daily calorie (TDEE) table for every activity level.Body Surface Area CalculatorFree BSA calculator: compute body surface area from height and weight with the Mosteller, Du Bois, Haycock and Gehan-George formulas, plus the average.CPC CalculatorFree CPC calculator: get cost per click from spend and clicks, or solve for budget or clicks from a target CPC. Instant, any currency, no signup.CPM CalculatorFree CPM calculator: find cost per 1,000 impressions, or solve for total budget or impressions from a known CPM. Instant results, any currency.CTR CalculatorFree CTR calculator: divide clicks by impressions to get click-through rate with a benchmark band showing how your ads or listings compare.Carbohydrate Intake CalculatorFree carbohydrate intake calculator: turn daily calories and a goal into grams of carbs per day, with the 45-65% guideline range shown alongside.Child Height PredictorFree child height predictor using the mid-parental method: enter both parents' heights to estimate a boy's or girl's adult height with a likely range.Cube Root CalculatorFree cube root calculator: get the decimal cube root of any number, check perfect cubes and see the simplified radical form like ∛54 = 3∛2.Customer Acquisition Cost CalculatorFree CAC calculator: divide marketing plus sales spend by new customers to get acquisition cost, and compare channels side by side to find the cheapest.Distance Formula CalculatorFree distance formula calculator: enter two coordinate points to get the distance with every substitution step shown, plus Δx, Δy and the slope.Emergency Fund CalculatorFree emergency fund calculator: total your essential monthly expenses, pick months of cover and see your savings target, gap and time to reach it.Exponent CalculatorFree exponent calculator: raise any base to any power, including negative and fractional exponents, with the expanded multiplication shown.Factorial CalculatorFree factorial calculator with exact big-integer results up to 1000!. See the expanded multiplication, digit count and scientific notation instantly.Fat Intake CalculatorFree fat intake calculator: convert daily calories and a fat percentage into grams of fat per day, with the 20-35% guideline table and saturated-fat cap.Final Grade CalculatorFree final grade calculator: enter your current grade, the exam weight and target grade to see the exact final exam score you need — plus a what-if table.Geometric Mean CalculatorFree geometric mean calculator: paste a list of positive values to get the n-th root of their product, with steps and the arithmetic mean for comparison.Harmonic Mean CalculatorFree harmonic mean calculator: enter positive values to get n divided by the sum of reciprocals, with steps and the AM-GM-HM comparison shown.Heart Rate Zone CalculatorFree heart rate zone calculator: get all five training zones in bpm from your age or measured max HR, using percent-of-max or the Karvonen method.Inventory Turnover CalculatorFree inventory turnover calculator: divide COGS by average inventory to get the turnover ratio and days inventory outstanding (DIO) for any period.Midpoint CalculatorFree midpoint calculator: enter two coordinate points to get the exact midpoint with formula steps shown, plus the distance between the points.Modulo CalculatorCalculate a mod b with the quotient and remainder shown step by step. Handles negative numbers with both floored and truncated results. Free, no signup.Percentage Error CalculatorCalculate percentage error from observed and true values with the formula |observed − true| ÷ |true| × 100. See absolute and relative error instantly.Prime Factorization CalculatorFind the prime factorization of any integer up to 12 digits — exponent form like 360 = 2³ × 3² × 5, the full factor list, and a prime check. Free.Prime Number CheckerCheck whether any number up to 12 digits is prime. Composite numbers show the smallest factor and a factor pair, plus the nearest primes either side.ROI CalculatorCalculate return on investment from cost and gain — ROI percentage, net profit and annualized ROI with calculation steps shown. Free, instant, no signup.Risk Reward CalculatorCalculate the risk-to-reward ratio of a trade from entry, stop-loss and target prices, plus the breakeven win rate and money at risk per position.Rounding CalculatorRound any number to decimal places, significant figures or the nearest multiple. See round half-up, floor and ceiling side by side with an explanation.Sales Tax CalculatorAdd sales tax to a price or back it out of a tax-inclusive total. Editable rate with Pakistan's 18% GST as default, plus a common-rates comparison table.VAT CalculatorAdd or remove VAT and see the net, VAT and gross amounts instantly. Editable rate (20% default), reverse VAT formula shown, common rates compared.Waist-to-Height Ratio CalculatorCalculate your waist-to-height ratio (WHtR) in cm or inches and see your health risk band. Simple rule: keep your waist under half your height.Waist-to-Hip Ratio CalculatorCalculate your waist-to-hip ratio (WHR) and see your WHO risk category by gender. Works in cm or inches with a clear reference chart. Free, no signup.Z Score CalculatorCalculate a z-score from a value, mean and standard deviation — with percentile, probability and interpretation from the standard normal distribution.Area CalculatorCalculate the area of a rectangle, circle, triangle, trapezoid, parallelogram or ellipse — with the formula and substituted working shown for each shape.Auto Loan CalculatorCalculate your monthly car loan payment, total interest and year-by-year amortization from vehicle price, down payment, rate and term. Free, no signup.Budget CalculatorCompare monthly income with expenses by category — see your surplus or deficit, savings rate and where every rupee goes. Free budget planner, no signup.Caffeine CalculatorAdd up your daily caffeine from coffee, chai, cola and energy drinks, compare it to the 400 mg guideline, and see how long it stays in your body.Calories Burned CalculatorEstimate calories burned by walking, running, cycling, cricket and more using MET values, your weight and duration. Compare activities side by side.Cash Flow CalculatorCalculate net cash flow from itemized inflows and outflows — monthly or annual — with each line's share and a clear positive/negative verdict. Free.Credit Card Payoff CalculatorSee how long it takes to pay off a credit-card balance, the payoff date and total interest — and how much an extra monthly payment saves. Free tool.Customer Lifetime Value CalculatorEstimate customer lifetime value from average order, purchase frequency, margin and lifespan — with a sensitivity table and CLV-to-CAC guidance. Free.Determinant CalculatorCalculate the determinant of a 2×2, 3×3 or 4×4 matrix instantly, with the ad − bc or Sarrus expansion shown and a singular-matrix check. Free tool.Freelance Rate CalculatorConvert your income goal, expenses, taxes and real billable hours into the minimum hourly rate you must charge — plus day rate and project pricing.Grade CalculatorCalculate your course grade from assignment scores and category weights — weighted percentage, letter grade and each category's contribution. Free.Home Affordability CalculatorEstimate the maximum home price you can afford from income, debts, down payment, rate and term — using the standard 28/36 lending rule. Free tool.Macro CalculatorTurn your daily calorie target into protein, carb and fat grams with balanced, high-protein, low-carb, keto or custom splits. Per-meal grams included.Mortgage Payoff CalculatorSee how extra monthly mortgage payments shorten your payoff date and how much interest you save — free, instant and private.Outlier CalculatorFind outliers in any data set using the IQR rule (Tukey's fences) or z-scores. Paste your numbers and get bounds and flagged values instantly.Payback Period CalculatorCalculate the simple and discounted payback period of an investment from its cash flows, with a year-by-year cumulative table and NPV.Percentile CalculatorFind any percentile of a data set or the percentile rank of a value. Uses Excel-compatible linear interpolation with quartiles shown alongside.Personal Loan CalculatorCalculate your personal loan monthly payment, total interest and true APR including origination fees — free, instant and private.Profit and Loss CalculatorBuild a quick profit and loss statement from revenue, COGS and expenses — with gross, operating and net profit plus margins for each.Quartile CalculatorCalculate Q1, median, Q3, IQR and the full five-number summary of any data set instantly, with Tukey fences for outlier checks.Significant Figures CalculatorCount significant figures, round any number to N sig figs, or multiply and divide with proper sig-fig rules — with the rule explained each time.Sleep Debt CalculatorAdd up your sleep debt from a week of nights versus your target, and get a realistic recovery plan of extra sleep per night.Volume CalculatorCalculate the volume of a cube, box, sphere, cylinder, cone or pyramid from its dimensions, with the exact formula shown for each shape.Weight Loss CalculatorProject how long it will take to reach your target weight from your daily calorie deficit, with weekly loss rate and estimated goal date.Matrix CalculatorAdd, subtract and multiply matrices, or compute the determinant, inverse and transpose — up to 8×8, with results you can copy.Combination CalculatorCalculate nCr — the number of ways to choose r items from n when order doesn't matter — with exact big-number results and formula steps.Commission CalculatorCalculate commission earnings from sales and rate, add an optional base salary, and see total pay and your effective rate on sales.Conversion Rate CalculatorCalculate your conversion rate from visitors and conversions, and see how many conversions you need to hit a target rate.Dividend Yield CalculatorCalculate dividend yield from share price and annual dividend, plus your expected annual and monthly income from the shares you own.Lean Body Mass CalculatorEstimate lean body mass with the Boer, James and Hume equations from sex, height and weight — with estimated fat mass and body fat percent.Log CalculatorCalculate logarithms in base 10, base e (ln), base 2 or any custom base, with change-of-base working shown step by step.One Rep Max CalculatorEstimate your one-rep max from any set using Epley, Brzycki, Lombardi and O'Conner formulas, plus a training percentage table.Permutation CalculatorCalculate nPr — the number of ordered arrangements of r items from n — with exact big-number results and formula steps shown.ROAS CalculatorCalculate return on ad spend as a multiple and percentage, plus your break-even ROAS from gross margin — free and instant.Rental Yield CalculatorCalculate gross and net rental yield from property value, rent and running costs — plus cash-on-cash return on your actual deposit.Stripe Fee CalculatorEstimate Stripe or any payment processor's fees, see what you'll actually receive, and reverse-calculate what to charge to net a target amount.Target Heart Rate CalculatorCalculate your five heart-rate training zones by age using the Karvonen method or simple percentage of maximum heart rate.Weighted Grade CalculatorCalculate your weighted course grade from category scores and weights, with warnings when weights don't add up to 100%.APR CalculatorCalculate the true annual percentage rate on a loan including fees. Free APR calculator showing total cost, monthly payment and the fee impact.Annuity CalculatorCalculate the present or future value of a stream of regular payments. Free annuity calculator supporting ordinary annuities and annuities due.Confidence Interval CalculatorCalculate a confidence interval for a mean or proportion. Free tool showing the margin of error, critical value and interval bounds with steps.Correlation CalculatorCalculate the Pearson correlation coefficient for paired data. Free tool showing r, r-squared, strength and direction with the covariance steps.Depreciation CalculatorCalculate straight-line or declining-balance depreciation with a full year-by-year book value schedule. Free asset depreciation calculator.Forex Pip CalculatorCalculate the value of a pip for any forex position size. Free pip calculator showing pip value per lot and the profit or loss on a move.Future Value CalculatorCalculate the future value of a lump sum plus regular contributions. Free FV calculator showing growth, total contributed and interest earned.Interest Rate CalculatorSolve for the implied interest rate from principal, payment and term. Free tool that finds the rate a loan or investment is really charging you.Linear Regression CalculatorFit a least-squares line to paired data. Free linear regression calculator giving slope, intercept, r-squared, the equation and predictions.Loan Payoff CalculatorSee how extra payments shorten your loan and cut interest. Free loan payoff calculator showing months saved, interest saved and the payoff date.Margin of Error CalculatorCalculate the margin of error for a survey mean or proportion. Free tool showing the critical value, standard error and confidence interval.Mixed Number CalculatorAdd, subtract, multiply and divide mixed numbers and fractions. Free mixed number calculator showing the simplified result, improper fraction and decimal.NPV CalculatorCalculate net present value for a series of cash flows. Free NPV calculator discounting each period and showing whether a project adds value.Net Worth CalculatorAdd up assets and subtract liabilities to find your net worth. Free net worth calculator with editable rows and an asset-versus-debt summary.Position Size CalculatorCalculate trade size from account risk and stop-loss distance. Free position size calculator showing shares to buy and money at risk.Pregnancy Conception CalculatorEstimate your conception date from a due date or last menstrual period. Free conception calculator with the fertile window and gestational age.Pregnancy Weight Gain CalculatorSee your recommended pregnancy weight-gain range by pre-pregnancy BMI and week. Free tool comparing your progress to the guideline range.Present Value CalculatorCalculate what future money is worth today. Free present value calculator discounting a future amount at your chosen rate over any period.Savings Goal CalculatorFind the monthly saving needed to reach a target by a deadline. Free savings goal calculator that factors in current savings and expected return.Steps to Calories CalculatorEstimate calories burned from your step count using weight, height and pace. Free steps to calories calculator that also shows distance walked.Surface Area CalculatorCalculate the surface area of a cube, sphere, cylinder, cone and more. Free surface area calculator showing the formula used for each solid.APA Citation GeneratorGenerate APA 7th edition references and in-text citations for books, websites and journals. Free APA citation generator with copy button.Graphing CalculatorPlot y = f(x) on an interactive graph. Free online graphing calculator supporting trig, powers, logs and adjustable x and y ranges.MLA Citation GeneratorGenerate MLA 9th edition works-cited entries and in-text citations for books, websites and journals. Free MLA citation generator with copy button.Rent vs Buy CalculatorCompare the long-term cost of renting versus buying a home. Free rent vs buy calculator showing total costs and the break-even year.Retirement CalculatorProject your retirement savings and see if you are on track. Free retirement calculator showing your future balance, shortfall and target contribution.Scientific CalculatorA full online scientific calculator with trig, logs, powers, roots, parentheses and memory. Free, keyboard-friendly and works on any device.IRR CalculatorCalculate the internal rate of return for a series of cash flows. Free IRR calculator that finds the rate where NPV equals zero.Chicago Citation GeneratorGenerate Chicago-style bibliography entries and notes for books, websites and journals. Free Chicago citation generator with copy button.Debt Snowball CalculatorBuild a payoff plan using the snowball or avalanche method. Free debt snowball calculator showing your debt-free date and total interest.
Text Tools
Word CounterCount words, characters, sentences and paragraphs in real time, with reading time and keyword density.Case ConverterConvert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and more with one click.Fancy Text GeneratorTurn plain text into stylish Unicode fonts — bold, italic, script, bubble and more — to copy into Instagram, WhatsApp and bios.Text CleanerRemove extra spaces, line breaks, duplicate lines and empty lines from any text — clean up copied text instantly.Text Compare (Diff Checker)Compare two texts side by side and highlight every added, removed or changed line — a free online diff checker.Number to Words ConverterConvert numbers to words in international (million/billion) and Indian (lakh/crore) formats — perfect for cheques and invoices.Password GeneratorGenerate strong, random passwords with custom length, symbols, numbers and mixed case — created securely in your browser.QR Code GeneratorCreate free QR codes for links, text, WiFi networks and contact cards, then download them as high-resolution PNG.Lorem Ipsum GeneratorGenerate lorem ipsum placeholder text by paragraphs, sentences or words — free dummy text for designs, mockups and layouts.Reverse TextReverse text online — flip characters backwards, reverse word order, mirror each word or reverse lines instantly with one click.Text RepeaterRepeat text up to 10,000 times with your choice of separator — space, new line, comma or custom. Free online text repeater with copy button.Find and ReplaceFind and replace text online with case sensitivity, whole-word matching and regex support. See the match count and copy the result instantly.Sort Lines AlphabeticallySort lines of text A to Z, Z to A, by length, numerically or randomly. Remove duplicates, trim whitespace and copy the sorted list free.Email ExtractorExtract email addresses, URLs or phone numbers from any text. Get a unique, sorted list to copy or download as a .txt file — free and private.URL Slug GeneratorConvert titles into clean, SEO-friendly URL slugs — lowercase, accents transliterated, special characters removed. Supports bulk lines.Username GeneratorGenerate unique usernames for Instagram, TikTok, gaming and more. Mix your keyword with styles — adjective+noun, gamer tags, aesthetic dots.Signature GeneratorCreate your handwritten signature online — type your name in 6 cursive styles or draw it by hand, then download a transparent PNG for documents.Random Name PickerPick random winners from a list of names with a fun shuffle animation. Choose multiple winners, remove them after each draw — free and fair.Invisible CharacterCopy an invisible character for blank Fortnite, PUBG, Discord or TikTok names and empty messages — with a generator and a verify box.QR Code ScannerScan a QR code from an image or with your camera, right in the browser. Decode links, Wi-Fi codes and text — free, private, no app.Voice to TextDictate and convert speech to text in your browser — free voice typing in English, Hindi, Urdu, Arabic, Spanish and 10+ languages.Letter CounterCount letters online — letters only, letters plus digits, characters with and without spaces, vowels, consonants and a live letter frequency table.Line CounterCount lines of text online — total lines, non-empty lines, unique lines, longest line and average line length. Free, instant and private.Sentence CounterCount sentences online with smart abbreviation handling — see words, average sentence length, the longest sentence and estimated reading time.Word Frequency CounterCount how often every word appears in your text — frequency table with density %, stopword filter, minimum length filter, sorting and CSV export.Strikethrough Text GeneratorMake s̶t̶r̶i̶k̶e̶t̶h̶r̶o̶u̶g̶h̶ text you can copy anywhere — long stroke, short stroke, slashed and underline Unicode styles for Instagram, WhatsApp and X.Upside Down Text GeneratorFlip text upside down (ǝldɯɐxǝ) or mirror it instantly — copy-paste Unicode flipped text for Instagram, WhatsApp, X and Discord bios.Zalgo Text GeneratorCreate cursed zalgo text online with a craziness slider — glitchy stacked Unicode marks you can copy into Discord, X and anywhere plain text works.Paraphrasing ToolFree AI paraphrasing tool — rewrite any text in Standard, Fluent, Formal, Simple or Creative mode while keeping the meaning. No signup.Grammar CheckerFree AI grammar checker — find and fix grammar, punctuation and style mistakes with explanations for every correction. No signup needed.Spell CheckerFree AI spell checker — paste text to find spelling mistakes, see suggested corrections and copy the fixed version. No signup, no install.Text SummarizerFree AI text summarizer — condense articles and documents into a short, medium or detailed summary as paragraphs or bullets. No signup.Article RewriterFree AI article rewriter — reword a full article with your chosen tone (neutral, professional, casual, persuasive) and target length. No signup.Emoji TranslatorFree emoji translator — add fitting emojis to any text automatically, or paste an emoji string and get its plain-language meaning. No signup.Readability CheckerCheck readability free — Flesch Reading Ease, Flesch-Kincaid grade, Gunning Fog, SMOG, ARI and Coleman-Liau scores plus concrete improvement flags.Caesar Cipher TranslatorEncode or decode text with a Caesar shift cipher — choose any shift 1-25, flip direction, or brute-force all 25 possibilities at once. Free tool.Duplicate Word RemoverRemove repeated words from text — fix accidental double words like 'the the' or strip all duplicates per line, with counts of what was removed.ROT13 TranslatorApply or reverse ROT13 instantly — the self-inverse letter cipher for hiding spoilers and puzzles. Optional ROT18 mode also rotates digits.Stop Word RemoverRemove common English stop words (the, and, is, of…) from text, add your own filler words, and see exactly how many were stripped. Free tool.ASCII Art GeneratorTurn text into big ASCII-art lettering — banner-style block letters with your choice of fill character, ready to copy or download as .txt.Syllable CounterCount syllables in any word or passage — totals, per-line counts for haiku and lyrics, and a word-by-word breakdown. Free and instant.Text to HTML ConverterConvert plain text to clean semantic HTML — paragraphs, line breaks, headings, lists and auto-linked URLs, with a live preview and download.Text to SpeechFree text to speech — read any text aloud in your browser with selectable voices and languages, adjustable speed, pitch and volume. No signup.HTML to Text ConverterConvert HTML to readable plain text — paragraphs, headings and lists keep their structure, scripts and styles are dropped. Free and private.Remove HTML TagsStrip HTML tags from any content instantly — keep line breaks, decode entities and collapse whitespace, with a count of tags removed. Free tool.Plagiarism CheckerFree plagiarism checker — compare your text against sources for similarity and get a report of matching passages. Powered by AI, fast and no signup.Keyword ExtractorFree keyword extractor — pull the most important words and phrases from any text ranked by frequency, with stop-word filtering. Copy or download.Text Encrypt and DecryptFree text encrypt and decrypt tool — protect a message with a password using AES-GCM in your browser, then decrypt it with the same password. No signup.Unicode ConverterFree Unicode converter — turn text into code points, hex, HTML entities and escape sequences, and back again. Instant, private, no signup.
Converters
Unit ConverterConvert length, weight, temperature, area, speed and volume — kg to lbs, cm to feet, °C to °F, miles to km and more.Roman Numeral ConverterConvert numbers to Roman numerals and Roman numerals back to numbers (1 to 3,999,999) with a full reference chart.Unix Timestamp ConverterConvert Unix epoch timestamps to human-readable dates and back, in your local time zone and UTC — seconds or milliseconds.Time Zone ConverterConvert any time between time zones — IST to EST, GMT to PST and hundreds more — with automatic daylight-saving handling.Currency ConverterConvert between 30+ world currencies — USD, EUR, GBP, INR, PKR, AED and more — with daily mid-market exchange rates from the ECB.Number Base ConverterConvert numbers between binary, octal, decimal, hexadecimal and any base from 2 to 36 — instantly, with support for huge integers.Morse Code TranslatorTranslate text to Morse code and Morse back to text automatically, play the beeps aloud, and learn the code with a full reference chart.Binary TranslatorTranslate text to binary, hex or decimal bytes and back again. UTF-8 based, so it handles any language — with instant validation and copy.SRT ⇄ VTT ConverterConvert subtitles between SRT and VTT and shift timings by any number of seconds — free, in your browser, with format auto-detect.Markdown to WordConvert Markdown to a Word .docx file — perfect for turning ChatGPT or Claude answers into real documents. Free and in-browser.CM to Feet ConverterFree cm to feet converter — turn centimetres into decimal feet and feet-plus-inches instantly. Works both ways, no signup.CM to Inches ConverterFree cm to inches converter — divide by the exact factor 2.54 to turn centimetres into inches instantly, both directions, no signup.Celsius to Fahrenheit ConverterFree Celsius to Fahrenheit converter using the exact formula °F = °C × 9/5 + 32. Works both ways with an oven and weather table.Cups to ML ConverterFree cups to ml converter — turn US cups into millilitres (1 cup = 236.588 mL) for recipes. Handles half and quarter cups, no signup.Fahrenheit to Celsius ConverterFree Fahrenheit to Celsius converter using the exact formula °C = (°F − 32) × 5/9. Instant, works both ways, no signup.Feet to CM ConverterFree feet to cm converter — turn feet into centimetres with the exact factor 1 ft = 30.48 cm. Works both ways instantly, no signup.Feet to Meters ConverterFree feet to meters converter using the exact factor 1 ft = 0.3048 m. Instant two-way conversion with a common-values table, no signup.GB to MB ConverterFree GB to MB converter — turn gigabytes into megabytes using the binary standard (1 GB = 1024 MB). Instant and two-way, no signup.Gallons to Liters ConverterFree gallons to liters converter — US gallons to litres with the exact factor 3.785411784, plus the UK imperial value. No signup.Inches to CM ConverterFree inches to cm converter — multiply by the exact factor 2.54 to turn inches into centimetres instantly, both directions, no signup.KG to LBS ConverterFree kg to lbs converter — kilograms to pounds with the exact factor 1 lb = 0.45359237 kg, plus a pounds-and-ounces split. No signup.KM to Miles ConverterFree km to miles converter — kilometres to miles with the exact factor 1 mi = 1.609344 km. Instant, two-way, running distances included.LBS to KG ConverterFree lbs to kg converter — pounds to kilograms with the exact factor 1 lb = 0.45359237 kg. Instant two-way conversion, no signup.Liters to Gallons ConverterFree liters to gallons converter — litres to US gallons (÷ 3.785411784) with the UK imperial value shown too. Instant, no signup.MB to GB ConverterFree MB to GB converter — megabytes to gigabytes using the binary standard (1024 MB = 1 GB). Instant two-way conversion, no signup.ML to Cups ConverterFree ml to cups converter — millilitres to US cups (÷ 236.588) with tablespoons shown too. Great for recipes, instant, no signup.Meters to Feet ConverterFree meters to feet converter — metres to decimal feet and feet-plus-inches with the exact factor 1 ft = 0.3048 m. No signup.Miles to KM ConverterFree miles to km converter — miles to kilometres with the exact factor 1 mi = 1.609344 km. Instant, two-way, race distances included.Square Feet to Square Meters ConverterFree square feet to square meters converter — sq ft to m² with the exact factor 0.09290304. Ideal for property listings, no signup.Square Meters to Square Feet ConverterConvert square meters to square feet instantly — 1 m² = 10.764 sq ft. Works both ways, with a reference table for common room and plot sizes.Acres to Square Feet ConverterConvert acres to square feet instantly — 1 acre = 43,560 sq ft exactly. Bidirectional, with a table for common plot sizes from 0.1 to 100 acres.Bar to PSI ConverterConvert bar to PSI instantly — 1 bar = 14.5038 psi. Perfect for tire pressure: 2.2 bar = 31.9 psi. Works both directions with a reference table.Bits to Bytes ConverterConvert bits to bytes instantly — 1 byte = 8 bits. Understand why 100 Mbps internet downloads at 12.5 MB/s. Converts both directions.Degrees to Radians ConverterConvert degrees to radians instantly — radians = degrees × π/180. Shows the π form too: 90° = π/2 ≈ 1.5708 rad. Works both ways.GB to TB ConverterConvert gigabytes to terabytes instantly — 1 TB = 1024 GB (binary). Explains why a 1 TB drive shows only 931 GB in Windows. Bidirectional.Grams to Ounces ConverterConvert grams to ounces instantly — 100 g = 3.53 oz (1 oz = 28.3495 g exactly). Ideal for recipes and shipping. Converts both ways.HP to kW ConverterConvert horsepower to kilowatts instantly — 1 hp = 0.7457 kW, so 100 hp = 74.57 kW. Covers mechanical and metric hp. Works both directions.kW to HP ConverterConvert kilowatts to horsepower instantly — 1 kW = 1.341 hp, so 100 kW = 134.1 hp. Great for EV and engine specs. Converts both ways.km/h to MPH ConverterConvert km/h to mph instantly — 100 km/h = 62.14 mph (1 mile = 1.609344 km exactly). Speed limits and running pace, both directions.MPH to km/h ConverterConvert mph to km/h instantly — 60 mph = 96.56 km/h (1 mile = 1.609344 km exactly). US speed limits to metric, both directions.L/100km to MPG ConverterConvert liters per 100 km to US MPG instantly — mpg = 235.215 ÷ L/100km, so 8 L/100km = 29.4 mpg. Fuel economy both ways.MPG to L/100km ConverterConvert US MPG to liters per 100 km instantly — L/100km = 235.215 ÷ mpg, so 30 mpg = 7.84 L/100km. Fuel economy both directions.Newton Meters to Pound Feet ConverterConvert torque from N·m to lb-ft instantly — 100 N·m = 73.76 lb-ft (1 lb-ft = 1.3558 N·m). For wrench settings and engine specs, both ways.Ounces to Grams ConverterConvert ounces to grams instantly — 1 oz = 28.35 g exactly, 8 oz = 226.8 g. Perfect for American recipes on a metric scale. Both directions.PSI to Bar ConverterConvert PSI to bar instantly — 32 psi = 2.21 bar (1 bar = 14.5038 psi). Tire pressures, compressors and gauges, both directions.Radians to Degrees ConverterConvert radians to degrees instantly — degrees = rad × 180/π, so 1 rad = 57.2958° and π rad = 180°. Works in both directions.Tablespoons to mL ConverterConvert tablespoons to milliliters instantly — 1 US tbsp = 14.79 mL, 2 tbsp = 29.57 mL. Covers US, metric, UK and Australian spoons.Teaspoons to mL ConverterConvert teaspoons to milliliters instantly — 1 US tsp = 4.93 mL, 2 tsp = 9.86 mL. Ideal for recipes and medicine doses. Both directions.Amps to Watts CalculatorConvert amps to watts free — enter current, voltage and power factor for DC, single-phase or three-phase AC. 10A at 230V (PF 0.9) = 2,070W.Watts to Amps CalculatorConvert watts to amps free — enter power, voltage and power factor for DC, single or three-phase AC. 1,000W at 230V (PF 0.9) draws 4.83A.kWh Cost CalculatorCalculate electricity cost from appliance wattage, hours of use and your per-unit rate — kWh consumed plus cost per day, month and year, free.Cooking Measurement ConverterConvert cups, tablespoons, teaspoons, fluid ounces, millilitres and litres for recipes — instant, both-way conversion with a reference table.Data Storage ConverterConvert bits, bytes, KB, MB, GB, TB and PB using both decimal (×1000) and binary (×1024) standards, with a reference table.Density ConverterConvert density between kg/m³, g/cm³, g/mL, kg/L, lb/ft³ and lb/in³ instantly, with both-way results and a reference table.Energy ConverterConvert energy between joules, kilojoules, calories, kilocalories, watt-hours, kWh, BTU and foot-pounds, with a reference table.Force ConverterConvert force between newtons, kilonewtons, kilogram-force, pound-force, ounce-force and dynes, with instant both-way results.Frequency ConverterConvert frequency between hertz, kilohertz, megahertz, gigahertz, terahertz and rpm instantly, with a reference table.Power ConverterConvert power between watts, kilowatts, megawatts, horsepower, metric PS, BTU/h and more, with instant both-way results.Pressure ConverterConvert pressure between psi, bar, pascal, kPa, MPa, atmosphere, torr and inHg instantly, with a reference table.Ring Size ConverterConvert ring sizes between US, UK, EU and Japanese standards, or from diameter/circumference in mm, with a full reference chart.Shoe Size ConverterConvert shoe sizes between US, UK, EU and centimetres for men and women, with a full reference chart. Instant and free.Torque ConverterConvert torque between newton-metres, pound-feet, pound-inches, kilogram-force metres and ounce-inches, with a reference table.
Date & Time Tools
Countdown TimerFree online countdown timer — set minutes or a target date, get a huge live display, progress bar, and an audible alarm when time is up.StopwatchFree online stopwatch with lap times — big centisecond display, Start/Pause/Resume, and a lap table that highlights your best and slowest laps.Pomodoro TimerFree Pomodoro timer with 25/5 focus-break cycles, long breaks, auto-advance chime, session dots and customizable durations — right in your browser.Working Days CalculatorCount working days between two dates excluding weekends and holidays, or add N business days to a date — instant deadline and delivery estimates.Sleep CalculatorFind the best time to sleep or wake up based on 90-minute sleep cycles. Enter your wake-up time or sleep now — get ideal bedtimes and alarms.Week NumberWhat week is it? See the current ISO 8601 week number, find the week of any date, and get each week's Monday–Sunday range instantly.Days Until CalculatorCount exactly how many days until any date — New Year, Ramadan, Eid, Christmas or your own event — with weeks, months and a live countdown.Hours CalculatorFree time-sheet hours calculator — enter start time, end time and breaks for each day to get total hours in hh:mm and decimal, plus a weekly pay estimate.Time Duration CalculatorCalculate the exact duration between two dates and times — years, months, days, hours, minutes, seconds — and add or subtract durations from any date-time.Calendar GeneratorFree calendar generator — create printable monthly or yearly calendars with your week start and highlighted holidays, then download or copy them.Gregorian to Hijri ConverterConvert any Gregorian date to the Islamic Hijri calendar — Umm al-Qura or tabular methods, with a moon-sighting adjustment. Free and instant.Hijri to Gregorian ConverterConvert Islamic Hijri dates to Gregorian dates instantly — Umm al-Qura or tabular methods with a moon-sighting adjustment. Free, no signup.Meeting Time PlannerFind overlapping working hours across time zones — compare up to 6 cities on a color-coded grid and copy shareable meeting time options.Online MetronomeFree online metronome with 20-300 BPM, tap tempo, time signatures and an accented first beat — precise audio clicks right in your browser.Timesheet CalculatorFree weekly timesheet calculator — enter daily start, end and break times to get total, regular and overtime hours plus an optional pay estimate.Work Hours CalculatorCalculate daily paid work hours after breaks, plus weekly, monthly and yearly totals and an optional pay estimate. Free, instant, no signup.Moon Phase CalculatorSee the moon phase for any date — phase name, illumination percentage, moon age and a visual moon, plus the next full and new moon dates.Online Alarm ClockFree online alarm clock — set a time, label and sound, and your browser rings with a big live clock and countdown. No install or signup.World ClockLive world clock — current time in multiple cities at once with dates, UTC offsets, 12/24-hour formats and your own city list. Free, no signup.Overtime CalculatorCalculate overtime pay free — enter your rate, regular and overtime hours, pick 1.5x, 2x or a custom multiplier, and see the full pay breakdown.Ramadan CountdownFree Ramadan countdown — see the days, hours and minutes until the estimated start of Ramadan, with expected dates for upcoming years. No signup.Sunrise and Sunset CalculatorFree sunrise and sunset calculator — get sunrise, sunset and twilight times for any date and location using a standard solar algorithm. No signup.
Image Tools
Image CompressorCompress JPG, PNG and WebP images to an exact target size — 20KB, 50KB, 100KB or any size you need — right in your browser.Image ResizerResize images to exact pixel dimensions or presets like passport photo sizes — free, private, no upload to any server.PNG ⇄ JPG ConverterConvert PNG to JPG and JPG to PNG instantly in your browser, with quality control and no file upload.HEIC to JPG ConverterConvert iPhone HEIC photos to JPG or PNG in your browser — free, private and no software to install.WebP ConverterConvert WebP images to PNG or JPG, and PNG/JPG to WebP, entirely in your browser — no upload, no watermark.Image CropperCrop images to any area or fixed ratios (square, 16:9, 4:3, circle) and download the result — free and private.Image to Text (OCR)Extract text from images and screenshots with free OCR that runs in your browser — copy text from any photo.Image Color PickerPick any color from an uploaded image and get its HEX, RGB and HSL codes, plus a palette of dominant colors.Favicon GeneratorTurn any image into a full favicon set — 16×16 to 512×512 PNGs plus ICO — zipped and ready for your website.Meme GeneratorMake memes free online — add classic top and bottom Impact text to any image and download as PNG or JPG, no watermark, no sign-up.Rotate & Flip ImageRotate images 90° or 180° and flip them horizontally or vertically online — free, instant and private, with PNG, JPG or WebP download.Photo Filters & EffectsApply filters to photos online free — brightness, contrast, saturation, sepia, blur and B&W, vintage, vivid presets — private, in-browser editing.Placeholder Image GeneratorGenerate custom placeholder images with any size, colors and text — download as PNG, JPG or WebP or copy as a data URI. Free, no server.Barcode GeneratorGenerate CODE 128, EAN-13, UPC-A, CODE 39 and ITF-14 barcodes free online and download as PNG — rendered in your browser, no sign-up.Background RemoverRemove the background from any photo with AI that runs in your browser — free, no upload, no watermark, transparent PNG output.EXIF Data Viewer & RemoverSee the hidden EXIF metadata in your photos — including GPS location — and strip it all before sharing. Free, private, in-browser.Online Screen RecorderRecord your screen, window or browser tab — with optional mic voice-over — right from your browser. Free, no install, no watermark.Circle Crop ImageCrop any photo into a perfect circle with a transparent background. Free online circle cropper — works in your browser, no signup, PNG download.YouTube Thumbnail ResizerResize and crop any image to the exact YouTube thumbnail size of 1280×720 px. Free online tool with quality control and a 2MB limit check.Batch Image CompressorCompress multiple images at once in your browser. Set a quality level or target KB, see per-file savings, and download everything as a ZIP. Free.Batch Image ResizerResize many images at once to the same width and height. Keep aspect ratio, choose JPG/PNG/WebP, and download all resized files as a ZIP. Free.Social Media Image ResizerResize one image for every platform at once: Instagram, Facebook, X, LinkedIn, YouTube and WhatsApp sizes — download all as a ZIP. Free, no signup.Grayscale Image ConverterConvert any image to black and white online. Adjustable grayscale intensity slider, instant preview and free PNG or JPG download — no upload.LinkedIn Banner ResizerResize any image to exact LinkedIn sizes: 1584×396 personal banner, 1128×191 company cover or 400×400 profile photo. Free, private, no signup.Instagram Post ResizerResize photos to exact Instagram sizes: square 1080×1080, portrait 1080×1350, landscape 1080×566 or story 1080×1920 — with a no-crop white-border mode.Image Color Palette GeneratorExtract an 8-color palette from any image. Get HEX codes with one-click copy, download the palette as a PNG strip, or export CSS variables. Free.Image SplitterSplit an image into an equal grid of tiles — up to 10×10 rows and columns. Numbered previews and a one-click ZIP download. Free, in-browser.Base64 to Image ConverterPaste a Base64 string or data URI and instantly preview and download the decoded image. Detects PNG, JPG, GIF, WebP and SVG — 100% in your browser.Image to Base64 ConverterConvert any image to Base64 online — get raw Base64, data URI, CSS background and HTML img snippets with one-click copy. Private, in-browser conversion.Image UpscalerUpscale images 2x or 4x in your browser with high-quality resampling and a sharpening pass. Free, private, no signup — download as PNG or JPG.Photo EnhancerAuto-enhance photos in your browser: one-click levels, contrast and color correction plus fine-tune sliders. Free, private, no signup or watermark.Blur Image BackgroundBlur a photo background while keeping the subject sharp — a portrait-mode effect powered by in-browser AI segmentation. Free, private, no signup.Change Image BackgroundReplace a photo background with white, passport blue/red, any color or your own image — AI segmentation in your browser. Free, private, no signup.Profile Picture MakerCrop and style a profile picture for any platform — circle, rounded or square, with zoom control. Get 4 ready sizes as PNG or one ZIP. Free, no signup.Watermark ImageAdd a text or logo watermark to any image online. Control position, size, opacity, rotation and tiling — all in your browser, free and private.Image Border ToolAdd a colored border and inner padding around any image online. Pick border width and colors with a live preview, download PNG or JPG. Free, no upload.Image DPI CheckerCheck an image's DPI, pixel dimensions and megapixels, and see its maximum print size at 150, 300 and 600 DPI. Free, reads metadata in your browser.Rounded Image CornersRound the corners of any image online with an adjustable radius slider. Transparent or colored corners, PNG or JPG download. Free, works in-browser.Add Text to ImageAdd styled text to any image online: fonts, size, color, outline, shadow and position with live preview. Download PNG or JPG free — no upload.BMP to JPG ConverterConvert BMP images to JPG in your browser — multiple files at once, adjustable quality, per-file savings shown, and a one-click ZIP download. Free.Duotone Image GeneratorApply a two-color duotone effect to any photo — pick shadow and highlight colors or use presets, adjust intensity, download PNG/JPG. Free, in-browser.Pixelate ImagePixelate a whole image or just a selected region — ideal for hiding faces, plates and private info. Adjustable block size, live preview, free download.SVG to PNG ConverterConvert SVG files or pasted markup to PNG at any size up to 8192 px, with transparent or colored background. Free, renders in your browser.Screenshot BeautifierTurn plain screenshots into polished visuals: gradient backgrounds, padding, rounded corners, shadow and a browser window frame. Free PNG export.AVIF to JPG ConverterFree AVIF to JPG converter — turn modern AVIF images into universally supported JPG files right in your browser, with adjustable quality and no signup.Blur ImageFree blur image tool — soften an entire photo or a selected region to hide faces, plates or backgrounds, then download the blurred picture. No signup.Change Image DPIFree tool to change image DPI — set 72, 150, 300 DPI or any value for printing, with optional resampling. Runs in your browser with no signup.Image Grid MakerFree image grid maker — arrange multiple photos into a clean grid with custom rows, columns, spacing and background, then download the combined image.Sharpen ImageFree sharpen image tool — boost edge detail and clarity on soft or slightly blurry photos using an unsharp mask, with a live preview and no signup.JPG to AVIF ConverterFree JPG to AVIF converter — shrink JPG photos into the modern AVIF format for much smaller files at the same quality, right in your browser.Passport Photo MakerFree passport photo maker — crop your portrait to official country sizes with a white background, and get a printable sheet. Runs in your browser.Photo Collage MakerFree photo collage maker — combine several pictures into one collage with layouts, spacing and background colour, then download the result. No signup.TIFF to JPG ConverterFree TIFF to JPG converter — turn large TIFF scans and photos into compact, widely supported JPG files in your browser, with adjustable quality.Visa Photo MakerFree visa photo maker — crop your portrait to destination-country visa sizes on a white background and get a print sheet. Private, in-browser, no signup.
PDF Tools
Merge PDFCombine multiple PDF files into one, in any order — free, unlimited and 100% private (files never leave your browser).Split PDFSplit a PDF into separate pages or extract a page range into a new file — fast, free and processed in your browser.Compress PDFReduce PDF file size — including to targets like 100KB or 200KB — with browser-side compression that keeps your files private.JPG to PDFConvert JPG and PNG images into a single PDF — reorder pages, choose page size and margins, all in your browser.PDF to JPGConvert every PDF page into a high-quality JPG or PNG image and download them individually or as a ZIP.Rotate PDFRotate all pages or individual pages of a PDF by 90°, 180° or 270° and save the fixed file instantly.Delete PDF PagesRemove unwanted pages from a PDF and download the cleaned file — select single pages or ranges, free and private.Add Page Numbers to PDFAdd page numbers to a PDF free online — choose position, starting number and format like "Page 1" or "1 of N". Private, in-browser.Watermark PDFAdd a diagonal text watermark like CONFIDENTIAL or DRAFT to every PDF page — set opacity, size and color. Free and private, in your browser.Invoice GeneratorCreate a professional PDF invoice free — line items, tax and discount, ₹ $ € £ currencies, clean A4 layout. No sign-up, made in your browser.Rent Receipt Generator (India)Generate rent receipts for HRA claims — one PDF with monthly receipts, landlord PAN, revenue stamp box and amount in words. Free, private.Extract PDF PagesExtract pages from a PDF online — pick single pages or ranges like 1-3,7 and download them as a new PDF. Free, private, no upload, no signup.PNG to PDF ConverterConvert PNG images to PDF online — combine multiple PNGs into one PDF, reorder pages, choose A4, Letter or auto size and margins. Free and private.OCR PDFExtract text from scanned PDFs with OCR in your browser — English, Urdu, Arabic and more. Per-page results, .txt download. Free, private, no signup.PDF to MarkdownConvert PDF text to Markdown in your browser — headings, paragraphs and lists detected automatically. Copy, preview or download .md. Free, private.Markdown to PDF ConverterTurn Markdown into a clean, styled PDF free — headings, lists, code blocks and rules rendered with proper typography. Private, in your browser.PDF to PNG ConverterConvert PDF pages to high-quality PNG images free — pick pages and resolution, preview thumbnails and download individually or as a ZIP. Private.PDF to Text ConverterExtract selectable text from a PDF free — copy it or download a .txt file, with word count. Runs privately in your browser, nothing uploaded.Protect PDFMark a PDF as confidential in your browser — flatten form fields and stamp a bold watermark. Honest about why true password encryption needs a desktop app.Reorder PDF PagesRearrange PDF pages visually free — see page thumbnails and move them with arrows, then save the new order. Private, in-browser, no upload.Text to PDF ConverterTurn plain text into a clean, formatted PDF free — choose page size, font and margins, with automatic line wrapping. Private, in your browser.Unlock PDFRemove usage restrictions from a PDF free — strip owner-password locks that block printing, copying or editing, and save an unrestricted copy. Private.PDF Page CounterCount PDF pages and inspect dimensions free — see each page's size in points and millimetres, named format and orientation. Private, in your browser.Add Header and Footer to PDFAdd repeating headers and footers to every PDF page free — with {page} and {total} tokens, alignment and font size. Private, in your browser.Flatten PDFFlatten a PDF free — bake fillable form fields into the page so their values become permanent and can't be edited. Private, in your browser.N-Up PDFPrint multiple PDF pages per sheet free — arrange 2, 4 or 6 pages on each A4 page in a neat grid to save paper. Private, in your browser.PDF Booklet MakerTurn a PDF into a printable booklet free — pages re-ordered and placed two-up on landscape sheets for saddle-stitch folding. Private, in-browser.PDF Metadata Viewer and RemoverView and strip PDF metadata free — see title, author, producer and dates, then remove them all and download a clean copy. Private, in your browser.PDF Word CounterCount words and characters in a PDF free — get totals plus a per-page breakdown for text-based PDFs. Private, in your browser, nothing uploaded.PDF to GrayscaleConvert a color PDF to grayscale free — turn selected pages or the whole document black-and-white for cheaper printing. Private, in your browser.Webpage to PDF ConverterSave any webpage as a PDF the reliable way. Free guide to browser Print-to-PDF plus our PDF toolkit for merging, compressing and editing the result.Repair PDFDamaged PDF that won't open? Free guide to recovering corrupt PDFs, plus our browser-based PDF toolkit to re-save, merge and rebuild files that still open.Deskew Scanned PDFFree deskew scanned PDF tool — straighten crooked, rotated scans page by page with auto-estimate or a manual angle slider, then rebuild a tidy PDF.PDF to Excel ConverterFree PDF to Excel converter — pull tables out of a PDF into an editable XLSX spreadsheet you can sort, filter and calculate. Fast and simple.PDF to PowerPoint ConverterFree PDF to PowerPoint converter — turn a PDF into editable or image-based PPTX slides you can present and tweak. Fast, simple and no signup.PDF to Markdown ConverterFree PDF to Markdown converter — extract a PDF's structured text into clean Markdown with headings and lists, ready for docs, wikis and READMEs.Crop PDFCrop PDF page margins or a selected area free — trim whitespace or scan borders and save a tidier PDF. Private, in your browser, nothing uploaded.Resize PDF PagesChange PDF page size free — set A4, Letter, Legal or a custom size and scale content to fit. Private, in your browser, nothing uploaded.Excel to PDF ConverterConvert Excel, CSV or ODS spreadsheets to a paginated PDF free — every sheet rendered as a clean grid. Private, in your browser, nothing uploaded.HTML to PDF ConverterConvert HTML markup to a clean, styled PDF free — headings, lists, quotes and code rendered with proper typography. Private, in your browser.PDF OverlayOverlay one PDF or image onto another free — stamp a logo, letterhead or watermark page with position and opacity. Private, in your browser.PowerPoint to PDF ConverterConvert PowerPoint PPTX slides to a text PDF free — one page per slide, extracted in your browser. Honest about simplified layout, nothing uploaded.Sign PDFSign a PDF free — draw or type your signature and place it on any page with adjustable size and position. Private, in your browser, nothing uploaded.Word to PDF ConverterConvert Word DOCX documents to a clean PDF free — headings, paragraphs and lists rendered with proper typography. Private, in your browser.Extract Images from PDFExtract embedded images from a PDF free — pull out photos and graphics as PNG files and download them in a ZIP. Private, in your browser.Fill PDF FormsFill interactive PDF forms free — type into detected text fields, checkboxes and dropdowns, then optionally flatten. Private, in your browser.Redact PDFRedact a PDF free — draw black boxes over sensitive areas and export a flattened copy where the hidden content is truly removed. Private, in-browser.PDF EditorEdit a PDF free — add text, boxes, highlights and images onto any page by clicking where you want them. Private, in your browser, nothing uploaded.PDF to Word ConverterConvert a PDF to an editable Word file free — extract text into a .doc you can open and edit in Word or Google Docs. Private, in your browser.Compare PDFsCompare two PDFs free — see added and removed lines per page plus a page-count summary, with a downloadable diff report. Private, in your browser.
Developer Tools
JSON Formatter & ValidatorFormat, validate and minify JSON online. Pretty-print with 2 or 4 spaces, see exact error line and column, copy or download the result.Base64 Encoder / DecoderEncode text or files to Base64 and decode Base64 back — UTF-8 safe, with data URI output and file download. 100% in your browser.URL Encoder / DecoderURL-encode and decode text live in both directions. Choose encodeURIComponent for values or encodeURI for full URLs. Free and private.HTML Entity Encoder / DecoderEncode special characters to HTML entities and decode named or numeric entities back to text — live, free and fully in-browser.UUID GeneratorGenerate 1 to 1000 random version-4 UUIDs instantly. Options for uppercase and no-hyphen formats, with one-click copy of the full list.Hash Generator (MD5, SHA-1, SHA-256, SHA-512)Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from text or files instantly — all four at once, computed locally in your browser.JWT DecoderDecode JWT tokens instantly — view header and payload as pretty JSON, check expiry with human-readable dates. 100% local, nothing uploaded.Regex TesterTest regular expressions live with highlighted matches, capture groups, match positions and flags — plus ready-made patterns for email, URL, IP.Markdown PreviewWrite markdown and see the rendered result live, side by side. Copy the generated HTML or download it as an .html file. Free, no sign-up.CSS Gradient GeneratorCreate linear, radial and conic CSS gradients visually — up to 5 color stops, angle control, live preview and copy-ready CSS code.Box Shadow GeneratorDesign CSS box shadows visually with sliders for offset, blur, spread and opacity. Stack multiple layers, preview live and copy the CSS.Color Converter (HEX, RGB, HSL, CMYK)Convert colors between HEX, RGB, HSL and CMYK instantly. Flexible input, live swatch, and clickable tints and shades of any color.CSS & JS MinifierMinify CSS and JavaScript online — strip comments and whitespace safely, see bytes saved, then copy or download the compressed code.Cron Expression GeneratorBuild cron expressions with dropdowns, get a plain-English explanation and see the next 5 run times. Paste existing crontab lines to decode them.AI Token CounterCount GPT-4o and GPT-4 tokens in your text with real tiktoken encodings, plus words, characters and an API cost estimator.Random API Key GeneratorGenerate secure random API keys online — hex, alphanumeric, base64url, UUID v4 or prefixed formats, up to 100 at once, with entropy shown. Private.Aspect Ratio CalculatorCalculate and simplify aspect ratios (16:9, 4:3), solve missing width or height while keeping proportions, and check common video and social sizes.Chmod CalculatorConvert Linux file permissions between checkboxes, octal (755) and symbolic (rwxr-xr-x) notation — with a ready-to-copy chmod command and reference table.PX to REM ConverterConvert px to rem and rem to px instantly with a custom root font size, a full 1–64px conversion table and CSS best-practice notes.HTML FormatterBeautify and indent messy HTML, or minify it. Choose 2/4 spaces or tabs, preserve script and style blocks, copy or download — all in your browser.IP Subnet CalculatorCalculate network address, broadcast, usable host range, subnet mask and host count from any IPv4 address and CIDR prefix. Free and instant.JSON to TypeScript ConverterGenerate TypeScript interfaces or type aliases from sample JSON. Merges array shapes, marks optional fields, builds unions — instant and private.JavaScript FormatterBeautify and re-indent minified or messy JavaScript. Preserves strings, template literals, comments and regex. Copy or download — fully in-browser.YAML Formatter and ValidatorFormat, validate and minify YAML in your browser. Get precise error line numbers, normalise indentation, or collapse to compact flow style. Private.CSS Border Radius GeneratorDesign border-radius visually with per-corner sliders and a live preview. Link all corners or set each one, then copy ready-to-use CSS. Free.CSV to TSV ConverterConvert CSV to tab-separated values in your browser. Handles quoted fields and embedded commas correctly. Copy or download the TSV — free and private.HTTP Status Code LookupLook up any HTTP status code's meaning, category and common usage. Search by number or keyword across 1xx to 5xx — instant reference for developers.IPv6 Compressor and ExpanderCompress IPv6 to canonical RFC 5952 form or expand it to full notation. Detects address type and shows the binary prefix. Free and in-browser.MAC Address GeneratorGenerate random locally administered MAC addresses in colon, hyphen or Cisco format. Bulk output, upper or lowercase, copy or download. Free.MIME Type LookupFind the correct MIME type for any file extension, or search MIME types by name. Covers images, audio, video, fonts, documents and archives. Free.Nano ID GeneratorGenerate compact, URL-safe Nano IDs with custom length and alphabet. Cryptographically random, unbiased, bulk output. Copy or download — free.TSV to CSV ConverterConvert tab-separated data to CSV with proper RFC 4180 quoting. Choose the output delimiter. Paste straight from Excel or Sheets. Free and private.ULID GeneratorGenerate sortable ULIDs — 26-character time-ordered IDs with 80 bits of randomness. Bulk output, upper or lowercase, decode timestamp. Free.CSV to JSON ConverterConvert CSV rows into JSON objects in your browser. Auto-detects delimiter, uses the header row as keys, and can coerce numbers and booleans. Free.CSV to XML ConverterConvert CSV rows into XML records with custom root and row element names. Escapes special characters and sanitises headers. Copy or download. Free.GraphQL FormatterFormat and validate GraphQL queries, mutations and schemas. Consistent indentation, syntax checking with line numbers, copy or download. In-browser.HMAC GeneratorGenerate HMAC signatures with SHA-256, SHA-1, SHA-384 or SHA-512. Enter a message and secret, get hex and Base64 output. Web Crypto, fully in-browser.JSON to CSV ConverterConvert an array of JSON objects to CSV. Flattens nested objects, unions all keys, escapes fields per RFC 4180. Copy or download. Free and private.JSON to Python Dataclass ConverterGenerate Python dataclasses from sample JSON. Infers types, converts camelCase to snake_case, marks optionals. Modern or typing-module style. Free.SQL FormatterFormat SQL queries with clause line breaks, keyword casing and your choice of dialect and indentation. Handles subqueries and joins. Copy or download.XML Formatter and ValidatorFormat, validate and minify XML in your browser. Native well-formedness checking with error location, clean indentation, CDATA preserved. Free.XPath TesterTest XPath expressions against your XML and see matching nodes, attributes or values instantly. Namespace-aware, uses the browser's XPath engine. Free.Port CheckerUnderstand how to test if a TCP port is open, find your public IP, and use a common-ports reference. Explains why real port checks need a server.Query String ParserParse a URL or query string into a readable table and JSON. Decodes percent-encoding, groups repeated keys into arrays. Copy any value. Free.REM to PX ConverterConvert rem to px and back with a configurable root font size. Live two-way conversion, ready CSS snippet, and a common-values reference table. Free.URL ParserBreak any URL into protocol, host, port, path, query and fragment. Lists decoded query parameters and outputs JSON. Forgiving of missing scheme. Free.DNS LookupFree DNS lookup tool — query A, AAAA, MX, TXT, NS, CNAME and SOA records for any domain instantly, straight from your browser over DNS-over-HTTPS.SSL Certificate CheckerConfirm a site's HTTPS is live and learn to inspect its SSL certificate. Free checker with DNS resolution plus links to trusted SSL analysis tools.WHOIS LookupInvestigate any domain with our free WHOIS helper — resolve its live DNS in-browser and jump to trusted WHOIS services for registrar and ownership data.AES Encrypt & DecryptEncrypt or decrypt text with AES-GCM and a password, entirely in your browser. PBKDF2 key derivation, Base64 output, nothing uploaded.CIDR CalculatorConvert an IPv4 address and CIDR prefix into subnet mask, wildcard, network, broadcast, usable host range and address counts.CSS Flexbox GeneratorBuild Flexbox layouts visually — set direction, justify, align, wrap and gap — with a live preview and copy-ready CSS.CSS Formatter & BeautifierBeautify and minify CSS online — fix indentation, spacing and line breaks, or compress to one line. Fast, private, in-browser.CSS Grid GeneratorBuild CSS Grid layouts visually — set columns, rows, gaps and alignment — with a live preview and copy-ready grid CSS.JSON Diff CheckerCompare two JSON documents structurally and see exactly what was added, removed or changed, with the full path to every difference.JSON Schema GeneratorGenerate a draft-07 JSON Schema from sample JSON automatically — infers types, required fields and nested structures. Copy or download.JSON Schema ValidatorValidate JSON data against a JSON Schema in your browser — checks type, required, properties, items, enum and min/max, with error paths.JSON to C# Class ConverterGenerate C# classes from sample JSON — PascalCase properties, nested classes, List<T> for arrays and nullable types. Copy or download.JSON to Java Class ConverterGenerate Java classes from sample JSON — typed fields with getters and setters, nested classes and List<T> for arrays. Copy or download.JSON to XML ConverterConvert JSON to XML with a configurable root element — nested objects become elements, arrays repeat, and output is neatly indented.JSON to YAML ConverterConvert JSON to clean, readable YAML in your browser — proper indentation, block sequences and safe quoting. Copy or download.JSONPath TesterTest JSONPath expressions against your JSON and see matched values instantly — supports dot/bracket paths, array indexes, wildcards and recursion.JWT GeneratorCreate signed JSON Web Tokens (HS256/384/512) from a header, payload and secret — signed locally with Web Crypto, nothing uploaded.JWT VerifierVerify a JWT's HMAC signature with your secret and inspect its claims — checks HS256/384/512 and flags expiry, all locally in your browser.User Agent ParserParse any user-agent string into browser, engine, operating system and device — or detect your own. Runs entirely in your browser.XML to JSON ConverterConvert XML to JSON in your browser — elements become keys, attributes are preserved, and repeated tags become arrays. Copy or download.YAML to JSON ConverterConvert YAML to JSON in your browser — handles mappings, sequences, nesting and common scalars. Friendly errors, copy or download.CSR DecoderDecode a PEM certificate signing request (CSR) in your browser and read its subject, public key details and signature algorithm.Certificate DecoderDecode an X.509 certificate (PEM) in your browser and read its subject, issuer, validity dates, serial number and public key details.PEM to JWK ConverterConvert a PEM public or private key into a JSON Web Key (JWK) in your browser using Web Crypto. Supports RSA and EC keys.XML to CSV ConverterFlatten repeating XML records into a CSV table — pick the record element and its child fields become columns. Copy or download.Bcrypt Generator & CheckerHash a password with bcrypt at a cost factor you choose, or check a password against an existing bcrypt hash — all in your browser.OpenAPI ValidatorValidate an OpenAPI or Swagger spec (JSON or YAML) in your browser — checks required fields, structure and paths, with a clear summary.RSA Key Pair GeneratorGenerate an RSA public/private key pair (2048/3072/4096-bit) locally with Web Crypto and export both as PEM. Nothing leaves your browser.
SEO Tools
Meta Tag GeneratorGenerate SEO meta tags, Open Graph and Twitter card tags with live character counters — copy a ready-to-paste HTML head block.Keyword Density CheckerCheck keyword density online — paste your text to see the top 1, 2 and 3-word phrases with counts and percentages, plus over-optimization warnings.Robots.txt GeneratorCreate a robots.txt file online with a visual rule builder — presets for Allow all, Block all, Block AI bots and WordPress, plus sitemap support.UTM Builder (Campaign URL Generator)Build UTM tracking URLs for Google Analytics — add utm_source, medium, campaign, term and content with validation, presets and one-click copy.SERP Snippet PreviewPreview how your page looks in Google search results on desktop and mobile, with pixel-width bars that warn when your title or description will be cut off.Article Schema GeneratorGenerate Article, BlogPosting or NewsArticle JSON-LD structured data — fill a simple form and copy a ready-to-paste schema markup snippet.FAQ Schema GeneratorGenerate FAQPage JSON-LD schema markup online — add questions and answers, copy a valid rich-results snippet, and paste it into your page. Free.Local Business Schema GeneratorGenerate LocalBusiness JSON-LD schema with address, phone, geo coordinates and opening hours — pick from 12+ business types and copy the snippet.Product Schema GeneratorGenerate Product JSON-LD schema with price, currency, availability and star ratings — fill the form and copy a valid rich-snippet markup block.Open Graph Tag GeneratorGenerate Open Graph and Twitter Card meta tags with a live link-preview mockup — control how your page looks when shared on Facebook, WhatsApp and X.Meta Description GeneratorFree AI meta description generator — get 5 SEO-ready description options with live character counts and your keyword included. No signup.SEO Title GeneratorFree AI SEO title generator — get 8 click-worthy title tag ideas with character counts, keyword placement and optional how-to, listicle or question styles.Image Alt Text GeneratorFree AI image alt text generator — upload an image and get 3 descriptive, SEO-friendly alt text options under 125 characters. No signup.Long-Tail Keyword GeneratorGenerate 25 long-tail keyword ideas from any seed topic with AI — filter by search intent, copy the list or download it as CSV. Free, no signup.Keyword GeneratorFree AI keyword generator — enter a seed keyword and get ~40 ideas grouped into related terms, questions, comparisons and modifiers, with CSV export.Search Intent ClassifierClassify up to 50 keywords as informational, commercial, transactional or navigational with AI — confidence levels, reasoning and CSV export. Free.Keyword Difficulty Checker (AI Estimate)Get instant AI-estimated keyword difficulty scores (0-100) with reasoning and likely SERP features for up to 10 keywords — free, no signup.YouTube Keyword ToolFree YouTube keyword tool — enter your video topic and get AI-generated primary keywords, long-tail phrases, question searches and 15 ready-to-paste tags.Core Web Vitals CheckerCheck your Core Web Vitals free — LCP, INP and CLS from real Chrome users plus a Lighthouse performance score and top fixes, powered by Google's API.Page Speed TestFree page speed test powered by Google Lighthouse — performance score, FCP, LCP, TBT, CLS and Speed Index plus prioritized fixes with estimated savings.Canonical Tag GeneratorGenerate a clean canonical link tag from any URL. Strips UTM and click IDs, forces https, and outputs the HTML tag plus HTTP header. Free SEO tool.Twitter Card GeneratorGenerate Twitter/X card meta tags — summary, large image or player cards — with character counters and a preview. Copy-paste HTML, free, no signup.Schema Markup GeneratorGenerate JSON-LD structured data from a simple form: Organization, Person, WebSite, Event and Breadcrumb schema. Copy-paste script tag, free.Domain Age CheckerCheck a domain's live DNS footprint and learn how to find its true registration age with our free domain age checker and trusted WHOIS resources.Favicon CheckerFree favicon checker — fetch any website and find its declared favicon and touch-icon links, preview them, and verify /favicon.ico exists.Page Size CheckerFree page size checker — measure a page's HTML weight and count its images, scripts and stylesheets to estimate total page size and find bloat.Redirect CheckerFree redirect checker — follow every HTTP redirect for a URL and see each hop, its status code and the final destination. Catch 302s and loops.URL ShortenerFree URL shortener — turn any long link into a short, shareable is.gd URL in one click. No signup, copy instantly, ready for social and print.Website Screenshot GeneratorCapture any website as an image the honest way. Free guide to full-page browser screenshots plus our image tools to crop, resize and compress them.XML Sitemap GeneratorFree XML sitemap generator — paste a list of URLs or crawl a homepage's internal links to build a valid sitemap.xml you can download and submit.CMS DetectorFree CMS detector — fetch any website and detect its content management system from HTML signatures like WordPress, Shopify, Wix, Webflow and more.Canonical URL CheckerFree canonical URL checker — fetch any page and verify its rel=canonical tag, spot self-referencing or conflicting canonicals, and catch indexing issues.Heading Structure CheckerFree heading structure checker — fetch any page and analyse its H1–H6 outline, flag missing or multiple H1s and hierarchy skips for better SEO.Hosting CheckerFree hosting checker — resolve any domain's IP address in your browser and identify where it points, with guidance on tracing the hosting provider.Hreflang CheckerFree hreflang checker — fetch any page and audit its hreflang tags for missing self-references, invalid language codes and conflicting annotations.Open Graph CheckerFree Open Graph checker — fetch any page to inspect its OG and Twitter Card tags, preview the social share card, and spot missing recommended tags.Redirect Chain CheckerFree redirect chain checker — trace the full hop-by-hop redirect path of a URL, count the hops, and detect long chains or loops that waste crawl budget.Robots.txt TesterFree robots.txt tester — fetch a site's robots.txt or paste your own rules, then test whether specific URLs are allowed or blocked for a chosen user agent.Schema Markup ValidatorFree schema markup validator — fetch a page or paste JSON-LD to validate structured data syntax, list detected types, and catch parse errors.Sitemap ValidatorFree sitemap validator — fetch a sitemap.xml, parse its URL entries, count them, and flag XML errors or malformed URLs before you submit to search engines.Website Link ExtractorFree website link extractor — fetch any page and pull every link into a deduplicated table sorted into internal and external, with nofollow flags and CSV export.Broken Link CheckerFree broken link checker — fetch a page, extract its links, and test each one's HTTP status to find 404s and broken links, with a clear status report.Website Technology CheckerFree website technology checker — fetch any site and detect its CMS, JavaScript frameworks, analytics, libraries and server hints from HTML signatures.Backlink CheckerFree backlink checker — see top referring pages and links pointing to any domain or URL, with an at-a-glance summary. Fast, simple and no signup.SERP Rank CheckerFree SERP rank checker — find where a domain ranks for a keyword by country and device, with the surrounding top results. Fast and no signup.Hreflang Tag GeneratorFree hreflang tag generator — create correct hreflang link tags for multilingual and multi-region pages, plus XML sitemap entries. Copy in one click.
Social Media Tools
YouTube Thumbnail DownloaderDownload YouTube video thumbnails in HD — paste any video link and save the image in 1280×720, 640×480, 480×360 or 320×180.Hashtag GeneratorGenerate Instagram and TikTok hashtags from any keyword — pick a niche, choose 10–30 tags, and copy a ready-to-paste hashtag block.Instagram Line Break GeneratorAdd line breaks to Instagram captions and bios that actually stick — invisible-character spacing you can copy and paste directly.Social Media Character CounterCount characters against every platform limit at once — X/Twitter, Instagram, TikTok, YouTube, Facebook, LinkedIn, WhatsApp and SMS.YouTube Timestamp Link GeneratorCreate YouTube links that start at an exact time — enter hours, minutes and seconds to get a shareable ?t= link in long and youtu.be form.Instagram Grid SplitterSplit one photo into 3, 6, 9 or 12 square tiles for a seamless Instagram grid. Numbered posting order, ZIP download, no upload.WhatsApp QR Code GeneratorCreate a free QR code that opens a WhatsApp chat with your number, with an optional pre-filled message. Download PNG or copy your wa.me link.TikTok Username GeneratorGenerate catchy TikTok username ideas in aesthetic, funny and creator styles from your name or keyword. 15 suggestions with one-click copy. Free.LinkedIn Post FormatterFormat LinkedIn posts with Unicode bold and italic text, bullet points and clean spacing. Live LinkedIn-style preview with a 3000-character counter.Instagram Bio GeneratorGenerate 6 Instagram bio ideas with AI — pick a vibe, toggle emojis, and copy a bio that fits the 150-character limit. Free, no signup.Instagram Caption GeneratorWrite Instagram captions with AI — describe your post, pick a tone and length, and get 5 caption options with hashtags and calls to action.TikTok Bio GeneratorGenerate punchy TikTok bio ideas with AI — 6 options under the 80-character limit, from gen-z chaotic to clean and minimal. Free, no signup.TikTok Caption GeneratorGenerate hook-first TikTok captions with AI — 5 short options under 150 characters with hashtags, plus an optional trending-sound placeholder.Twitter (X) Bio GeneratorGenerate X/Twitter bio ideas with AI — 6 options within the 160-character limit, from witty one-liners to professional keyword bios. Free.LinkedIn Post GeneratorGenerate a structured LinkedIn post with AI — hook line, short paragraphs, call to action and hashtags, tuned to your topic and goal. Free.LinkedIn Headline GeneratorGenerate professional LinkedIn headline ideas with AI — 8 options under 220 characters, keyword-rich for recruiter search. Free, no signup.Facebook Ad Copy GeneratorGenerate Facebook ad copy with AI — 3 ad variations with headline, primary text and description, shown as ad mockups with character limits.Social Media Post GeneratorGenerate platform-specific posts with AI — one topic becomes tailored posts for Facebook, Instagram, X, LinkedIn and TikTok with correct limits.Social Media Content Calendar GeneratorBuild a content calendar with AI — post ideas by day, platform, format and caption hook for up to 4 weeks, exportable as CSV. Free, no signup.YouTube Channel Name GeneratorGenerate YouTube channel name ideas with AI — 10 memorable names for your niche with one-click links to check handle availability. Free.YouTube Title GeneratorGenerate clickable YouTube title ideas with AI — 8 options in how-to, listicle, versus and curiosity styles with character-count indicators.YouTube Description GeneratorGenerate a structured YouTube description with AI — keyword hook, summary, chapter timestamps, links section and hashtags, within 5,000 chars.YouTube Tag GeneratorGenerate YouTube video tags with AI — 20-25 relevant tags within the 500-character limit, with a total-character counter and one-click copy.WhatsApp Link GeneratorCreate a wa.me click-to-chat WhatsApp link with a pre-filled message, plus a website button and QR code. Free, private, works for WhatsApp Business.YouTube Embed Code GeneratorCreate responsive YouTube iframe embed code with autoplay, mute, loop, start time and privacy-enhanced mode. Live preview and one-click copy. Free.Twitter Thread SplitterSplit long text into numbered X/Twitter thread posts at word boundaries. 280-char default, custom limits, per-post copy buttons. Free, no signup.YouTube Transcript ExtractorFree YouTube transcript extractor — paste a video URL to pull its available captions as clean, timestamped text you can copy, download or repurpose.YouTube Thumbnail PreviewFree YouTube thumbnail preview — see how your thumbnail and title look at desktop, mobile and sidebar sizes before you publish. No signup.
Pakistan Tools
Pakistan Mobile Balance Tax CalculatorCalculate how much balance you actually get on a mobile card load in Pakistan after withholding tax and GST — Jazz, Zong, Telenor, Ufone. Rates editable.Pakistan Solar System Size CalculatorFind the right solar system size in kW for your home in Pakistan from your monthly units or bill — panel count, inverter size, battery backup and cost range.UPS Battery Backup CalculatorCalculate how long your UPS or inverter battery will last during load-shedding — enter load watts and battery Ah/voltage to get backup time instantly.Zakat on Gold Calculator PakistanCalculate zakat on gold in Pakistani rupees — enter weight in tola or grams, karat and today's gold rate to get the 2.5% zakat and nisab check instantly.PSX Dividend Income CalculatorCalculate PSX dividend income after withholding tax — 15% filer or 30% non-filer — from your shares and dividend per share, or investment and yield.Gold Price Calculator PakistanCalculate gold value in PKR by tola, gram or masha and karat (24K/22K/21K/18K). Enter today's sarafa rate, add making charges — free, no signup.Pakistan IBAN ValidatorValidate any Pakistani IBAN instantly — length, structure and mod-97 checksum — and identify the bank from its code. Private, checked in your browser.Pakistan Remittance Fee CalculatorCompare remittance services sending money to Pakistan: enter rates and fees to see net PKR received and the true effective rate. Free calculator.Roshan Digital Account Return CalculatorEstimate Naya Pakistan Certificate returns via Roshan Digital Account: maturity value, profit and 10% tax in USD, PKR, GBP or EUR. Editable rates.Pakistan Petrol Cost CalculatorEstimate trip fuel cost in Pakistan: distance, fuel average and current petrol or diesel price give litres needed, total cost and per-person share.PSX Brokerage Fee CalculatorFree PSX brokerage fee calculator — estimate commission, taxes and levies on a Pakistan Stock Exchange trade and see your net proceeds in Rs.PSX Capital Gains Tax CalculatorFree PSX capital gains tax calculator — estimate CGT on Pakistan Stock Exchange trades by gain, holding period and filer status, with results in Rs.Pakistan Freelance Tax CalculatorFree Pakistan freelance tax calculator — estimate tax on freelance and export-service income by year and filer status, with annual and monthly figures in Rs.Pakistan Home Loan CalculatorFree Pakistan home loan calculator — estimate monthly home-finance instalments from property price, down payment, markup rate and term, in Rs.Pakistan Property Transfer Cost CalculatorFree Pakistan property transfer cost calculator — estimate stamp duty, registration and transfer charges by province and value, with a breakdown in Rs.Pakistan Solar Payback CalculatorFree Pakistan solar payback calculator — estimate annual savings and the payback period for a solar system from cost, generation and tariff, in Rs.Pakistan Vehicle Token Tax CalculatorFree Pakistan vehicle token tax calculator — estimate annual token tax by province, vehicle type and engine capacity, with results in Rs.Pakistan Electricity Bill CalculatorFree Pakistan electricity bill calculator — estimate your bill from units used with editable tariff slabs and taxes, and see a slab-by-slab breakdown in Rs.
Audio & Video Tools
Auto Subtitle GeneratorGenerate subtitles from audio or video with AI — accurate timed captions in 9+ languages, edit each line, then download as SRT or VTT. Free, no signup.Audio Noise ReducerReduce hum, rumble and hiss from audio in your browser with high-pass/low-pass filters and a noise gate. Free WAV output, private, no signup.Remove Vocals from SongMake a karaoke instrumental by removing vocals with phase cancellation, right in your browser. Stereo tracks needed. Free WAV downloads, no signup.M4A to MP3 ConverterConvert M4A/AAC audio to MP3 in your browser at 128–320 kbps. Free, private, no signup — nothing is uploaded to a server.MP3 to WAV ConverterConvert MP3 to uncompressed 16-bit WAV in your browser, with optional sample-rate choice. Free, private, no signup or upload.WAV to MP3 ConverterCompress bulky WAV files to MP3 at 128–320 kbps right in your browser. Free, private, no signup — nothing is uploaded.Audio Volume BoosterMake audio louder or quieter (0.5×–4×) with optional loudness normalization, in your browser. Free, private, no signup or upload.Audio JoinerMerge multiple audio files into one, in any order, right in your browser. Reorder the list, pick a format, download. Free, private, no upload.GIF CompressorShrink animated GIFs in your browser by tuning frame rate, size and colors with smart palette optimization. Free, private, no upload.GIF to MP4 ConverterConvert animated GIFs to compact H.264 MP4 video in your browser — far smaller, smoother playback. Free, private, no upload.Mute VideoRemove the audio track from any video in your browser without re-encoding — no quality loss, same format. Free, private, no upload.Webcam RecorderRecord your webcam and microphone in the browser, preview instantly, and download as WebM or convert to MP4. Free, private, no upload.Voice RecorderRecord your voice in the browser with a live level meter and timer, then download as WebM or convert to MP3. Free, private, no upload.Subtitle EditorEdit subtitle text and timings, shift or convert between SRT and VTT — all in your browser. Free, private, no signup or upload.Audio ConverterConvert audio between MP3, WAV, M4A, OGG and FLAC in your browser, with a bitrate choice. Free, private, no signup or upload.Audio CutterTrim an audio file to a start and end time in your browser and keep the same format. Free, private, no signup or upload.Audio Pitch ChangerShift audio pitch up or down by semitones while keeping the same length, in your browser. Free, private, no signup or upload.Audio Speed ChangerSpeed up or slow down audio (0.5×–2×) in your browser, keeping the pitch natural. Free, private, no signup or upload.Extract Audio from VideoPull the audio track out of any video and save it as MP3, M4A or WAV, in your browser. Free, private, no signup or upload.GIF MakerTurn a short video into an animated GIF in your browser with frame-rate and width controls. Free, private, no signup or upload.Loop VideoRepeat a video a chosen number of times into one continuous file, in your browser. Free, private, no signup or upload.Video RotatorRotate a video 90°, 180° or flip it horizontally or vertically, in your browser. Free, private, no signup or upload.Video TrimmerCut a video to a start and end time in your browser and keep the good part. Free, private, no signup or upload.Video to GIF ConverterConvert a chosen segment of a video into a crisp animated GIF, with trim, size and frame-rate control. Free, private, no upload.AVI to MP4 ConverterConvert old AVI videos to modern H.264 MP4 in your browser, with a quality choice. Free, private, no signup or upload.Add Subtitles to VideoEmbed an SRT subtitle track into your MP4 as a selectable caption track, in your browser. Free, private, no signup or upload.MKV to MP4 ConverterConvert MKV videos to H.264 MP4 for phones, browsers and editors, in your browser. Free, private, no signup or upload.MOV to MP4 ConverterConvert Apple QuickTime MOV videos to widely-compatible H.264 MP4, in your browser. Free, private, no signup or upload.WebM to MP4 ConverterConvert WebM (VP8/VP9) videos to H.264 MP4 for editors and older devices, in your browser. Free, private, no upload.MP4 to WebM ConverterConvert MP4 videos to efficient WebM (VP9 + Opus) for the web, in your browser. Free, private, no signup or upload.Video CropperCrop a video to a custom region — width, height and position — right in your browser. Free, private, no signup or upload.Video ResizerResize a video to new dimensions for any platform or device, in your browser. Free, private, no signup or upload.Video CompressorShrink video file size with a simple quality slider, right in your browser. Free, private, no signup or upload.Video ConverterConvert video between MP4, WebM, MKV and MOV with a quality choice, in your browser. Free, private, no signup or upload.Add Audio to VideoReplace or mix a soundtrack onto a video in your browser and download the result. Free, private, no signup or upload.Reverse VideoPlay a video backwards, with optional reversed audio, right in your browser. Free, private, no signup or upload.Video Speed ChangerSpeed up or slow down a video (0.5×–2×), with matching audio, in your browser. Free, private, no signup or upload.GIF ResizerResize an animated GIF to a new width while keeping the animation smooth, in your browser. Free, private, no upload.
Fun & Random Tools
Love CalculatorEnter two names and get a fun love compatibility percentage with an animated heart — a classic love calculator, just for entertainment.Coin FlipFlip a virtual coin online with a realistic 3D animation. Fair 50/50 odds from a secure random generator, with running heads/tails stats.Dice RollerRoll virtual dice online — d4, d6, d8, d10, d12 and d20, up to 10 at once — with animated rolls, totals and roll history. Great for D&D.Random Number GeneratorGenerate random numbers in any range — up to 1,000 at once, with no-duplicates and sorting options. Includes lottery-style 6 of 49 preset.Wheel Spinner (Random Picker)Spin a colorful wheel to pick a random name or option. Add entries one per line, spin, and get a fair winner — free online picker wheel.Typing Speed TestTest your typing speed in 30, 60 or 120 seconds. Get your WPM, raw WPM and accuracy with live word highlighting — free, no sign-up.What Is My IP AddressSee your public IP address (IPv4 and IPv6) instantly, plus browser details like user agent and language. Nothing is logged by this site.Screen Resolution CheckerCheck your screen resolution, viewport size, device pixel ratio, color depth and touch support — live values that update as you resize.
Why AIWalay Tools?
100% Free Forever
No signup, no watermarks, no daily limits. Every tool is free to use as often as you like.
Private by Design
Images and PDFs are processed inside your browser. Nothing is uploaded to a server, ever.
Fast on Any Device
Lightweight pages that load instantly and work great on mobile, tablet and desktop.