200 free tools · no sign-up
Free calculators & tools
Money, health, maths, dates, text, developer, colour, converter and image tools — instant results, and nothing you type or upload ever leaves your browser.
Money
Loans, tax, salary, savings and investments
Home Loan EMI Calculator PopularMonthly EMI, total interest and a year-by-year repayment schedule for your home loan.Personal Loan EMI CalculatorCheck the EMI and total cost of a personal loan before you apply.Car Loan EMI CalculatorPlan your car purchase with an exact EMI and interest breakdown.Loan Prepayment CalculatorHow much interest and time you save by prepaying your loan.SIP Calculator PopularSee how a monthly SIP can grow over time, with an optional yearly step-up.Lumpsum Investment CalculatorFuture value of a one-time investment at an expected yearly return.Compound Interest CalculatorGrow a deposit with compound interest — yearly, half-yearly, quarterly or monthly.Simple Interest CalculatorInterest on a principal amount without compounding.FD Calculator PopularMaturity amount and interest earned on a fixed deposit.RD CalculatorMaturity value of a recurring deposit with quarterly compounding.PPF Calculator PopularMaturity value of your Public Provident Fund at the current 7.1% rate.Income Tax Calculator (FY 2026-27) PopularCompare your tax under the new and old regimes for FY 2026-27 (AY 2027-28).CAGR CalculatorCompound annual growth rate of any investment between two values.Inflation CalculatorWhat today's money will cost — and be worth — in the future.Retirement Planner PopularHow big a retirement corpus you need — and the monthly SIP to get there.GST Calculator PopularAdd GST to a price or remove GST from an inclusive price, with CGST and SGST split.Discount CalculatorFinal price after a discount — including an extra discount on top.Salary Calculator (CTC to In-hand)Turn your annual CTC into monthly take-home pay under the new tax regime for FY 2026-27.HRA Exemption CalculatorHow much of your house rent allowance is tax-free under the old regime — with the 8-city 50% rule from April 2026.Gratuity CalculatorGratuity you will receive on leaving a job, using the Payment of Gratuity formula.NPS CalculatorEstimate your National Pension System corpus, lump sum and monthly pension at retirement.EPF CalculatorGrow your Employees' Provident Fund balance year by year at the 8.25% EPF rate.Sukanya Samriddhi Yojana CalculatorMaturity value of a Sukanya Samriddhi account for your daughter at the current 8.2% rate.SWP CalculatorHow long your corpus lasts with a Systematic Withdrawal Plan — and what is left at the end.Goal PlannerThe monthly SIP you need for a goal — a child's education, a house or a car — after inflation.Home Loan Eligibility CalculatorHow much home loan you can get based on your income, existing EMIs and FOIR.Stock Average CalculatorAverage buy price, total quantity and profit or loss across up to five purchases.Profit Margin CalculatorProfit, margin and markup from cost and selling price — or the price for a target margin.Break-even CalculatorHow many units you must sell to cover your costs — and to hit a profit target.Flat vs Reducing Interest Rate CalculatorConvert a flat interest rate into its true reducing-balance rate and compare the cost.Credit Card Interest CalculatorSee how long paying only the minimum due takes to clear a credit card bill — and how much interest it costs.Car Affordability Calculator (20/4/10 Rule)How much car you can really afford using the 20/4/10 rule — 20% down, 4-year loan, 10% of income.Rent vs Buy CalculatorCompare renting and investing with buying a home on a loan — which leaves you wealthier after N years.Home Loan Balance Transfer CalculatorHow much you save by moving your home loan to a lender with a lower rate, after fees.Loan Comparison CalculatorCompare up to three loan offers side by side — EMI, total interest, fees and the true cost.Senior Citizens Savings Scheme (SCSS) CalculatorQuarterly interest and total returns from SCSS at the current 8.2% rate, with deposits up to ₹30 lakh.Post Office Monthly Income Scheme (MIS) CalculatorMonthly income from the Post Office MIS at the current 7.4% rate for single and joint accounts.Kisan Vikas Patra (KVP) CalculatorWhen your Kisan Vikas Patra investment doubles and what it is worth each year at the current 7.5% rate.National Savings Certificate (NSC) CalculatorMaturity value and yearly interest of a 5-year NSC at the current 7.7% rate.Atal Pension Yojana (APY) CalculatorMonthly contribution for an Atal Pension Yojana pension of ₹1,000 to ₹5,000, by your joining age.Capital Gains Tax Calculator (Shares & Equity Funds)Short-term and long-term capital gains tax on listed shares and equity mutual funds for FY 2026-27.Advance Tax CalculatorYour advance tax instalments and due dates for FY 2026-27 from your estimated tax for the year.NPV & IRR CalculatorNet present value, internal rate of return and payback period for any series of yearly cash flows.Rule of 72 CalculatorHow many years your money takes to double at a given return — or the return you need to double it in time.Mutual Fund SIP Returns (XIRR) CalculatorThe true annual return (XIRR) of your mutual fund SIP from the start date, monthly amount and current value.Emergency Fund CalculatorHow big your emergency fund should be and how much to save each month to build it.Net Worth CalculatorAdd up what you own and what you owe to find your net worth, with an asset breakdown.Salary Hike CalculatorYour new salary from a hike percentage (or the hike % from a new offer) and the real raise after inflation.
Health
Weight, calories, fitness, sleep and pregnancy
BMI Calculator PopularBody Mass Index with WHO and Asian categories and your healthy weight range.Body Fat CalculatorEstimate body fat percentage with the U.S. Navy tape-measure method.Calorie Calculator (BMR & TDEE)How many calories you need a day to maintain, lose or gain weight.Ideal Weight CalculatorA healthy weight range for your height, using BMI and four classic formulas.Water Intake CalculatorA simple daily water target based on your weight, activity and weather.Pregnancy Due Date CalculatorEstimated due date, current week and trimester from the last period.BMR Calculator (Basal Metabolic Rate)Calories your body burns at complete rest, using the Mifflin–St Jeor and Harris–Benedict equations.Target Heart Rate Zone CalculatorYour maximum heart rate and five training zones — with the Karvonen method if you know your resting pulse.Running Pace CalculatorPace per km, speed and predicted finish times for 5K, 10K, half and full marathon.Sleep Cycle CalculatorBest times to go to bed or wake up, based on 90-minute sleep cycles.Ovulation Calculator & Fertile WindowEstimate your ovulation day, fertile window and next periods from your last period and cycle length.Protein Intake CalculatorHow many grams of protein you need a day, per meal, with common Indian food examples.Waist-to-Height Ratio CalculatorA quick check of belly fat and heart risk — keep your waist under half your height.One-Rep Max Calculator (1RM)Estimate the most you can lift for one rep, with a training percentage table.Steps to Km & Calories CalculatorConvert your daily steps into distance walked and calories burned.Macro Calculator (Carbs, Protein & Fat)Split your daily calories into grams of carbohydrate, protein and fat for your goal — per day and per meal.Blood Pressure Checker (BP Chart)Find which blood pressure category your reading falls in — normal, elevated, stage 1 or stage 2 hypertension.Blood Sugar Level Checker (Diabetes Test)Check fasting glucose, 2-hour glucose and HbA1c against ADA cut-offs for normal, prediabetes and diabetes — in mg/dL or mmol/L.Pregnancy Week CalculatorHow many weeks pregnant you are, your trimester, your baby's approximate weight and the key check-ups ahead.Caffeine Calculator (Tea, Coffee & Energy Drinks)Add up the caffeine from your daily chai, coffee, cola and energy drinks and compare it with safe limits.Calories Burned Calculator (Exercise & Sports)Calories you burn walking, running, cycling, swimming, yoga, badminton, cricket and more — using MET values.Lean Body Mass CalculatorEstimate your lean body mass (everything except fat) with the Boer, James and Hume formulas.Body Surface Area Calculator (BSA)Body surface area in m² using the Mosteller, Du Bois, Haycock and Gehan–George formulas.VO2 Max Calculator (Cooper Test)Estimate your VO2 max from a 12-minute run (Cooper test) or your resting heart rate, with a fitness rating.Period Calculator (Next Period Date)Predict your next six periods from the first day of your last period and your cycle length.
Maths
Calculators, percentages, fractions and school maths
Percentage CalculatorPercent of a number, what percent one number is of another, and percentage change.Average CalculatorMean, median, mode, range and sum of any list of numbers.Fraction CalculatorAdd, subtract, multiply, divide and simplify fractions.Basic CalculatorA clean, fast calculator for everyday sums — with keyboard support.Scientific CalculatorTrigonometry, powers, roots, logarithms and factorials in your browser.Ratio CalculatorSimplify a ratio, find the missing term in A : B = C : ? and split a total in a given ratio.Square Root & Power CalculatorSquare root, cube root, any nth root and powers — with a perfect square check and simplest radical form.LCM & HCF CalculatorLCM and HCF (GCD) of two or more numbers, with prime factorisation of each number.Prime Number CheckerCheck if a number is prime, see its factors, the next and previous prime, and list primes up to N.Quadratic Equation SolverSolve ax² + bx + c = 0 — discriminant, real or complex roots, vertex and full working.Roman Numeral ConverterConvert numbers to Roman numerals and back (1 to 3999), with validation and a breakdown.Random Number GeneratorPick one or many random numbers between any two values — with a no-repeat option.Area CalculatorArea and perimeter of a square, rectangle, circle, triangle, parallelogram or trapezium — in sq ft, sq m and cents.CGPA to Percentage CalculatorConvert CGPA to percentage (CBSE × 9.5 or your university's factor) and work out the percentage of marks.Standard Deviation CalculatorSample and population standard deviation, variance, mean and a z-score table for any list of numbers.Matrix Calculator (2×2 & 3×3)Add, subtract and multiply matrices, and find the determinant, inverse and transpose — with working.Multiplication Table GeneratorMultiplication tables (pahade) of any number up to 10, 20 or 100 times, a 1–20 chart, printable, with a quiz mode.Logarithm & Exponent CalculatorLog to any base, natural log (ln), antilog and powers — with the exponent and log rules worked out.Pythagoras & Right Triangle CalculatorSolve a right-angled triangle from two sides or a side and an angle — sides, angles, area and sin, cos, tan.Volume Calculator (with Litres)Volume and surface area of a cube, cuboid, cylinder, cone, sphere or hemisphere — in litres, m³ and cubic feet.Decimal to Fraction CalculatorConvert any decimal, including repeating decimals like 0.333…, into its simplest fraction and mixed number.Scientific Notation ConverterConvert numbers to and from scientific and engineering notation, count significant figures and round to any s.f.Percentile Calculator (Marks & Rank)Find the percentile rank of a score in a list of marks, the value at any percentile, or estimate exam rank from percentile.Linear Equation Solver (Cramer's Rule)Solve 2 or 3 simultaneous linear equations with Cramer's rule — determinants and step-by-step working.
Date & Time
Age, dates, days, time zones and countdowns
Age CalculatorExact age in years, months and days — and a countdown to your next birthday.Date Difference CalculatorDays, weeks and months between two dates — or add days to a date.Day of the Week CalculatorFind which day of the week any date falls on — plus day of the year, week number and leap year.Countdown Timer to a DateA live countdown in days, hours, minutes and seconds to any date and time.Working Days CalculatorCount working days between two dates, excluding Sundays, Saturdays or bank holidays and your own holiday list.Time Zone Converter (IST to World)Convert a date and time between IST and major world time zones, with daylight saving handled automatically.Time Duration CalculatorHours and minutes between two times (even overnight), and add or subtract time.Week Number Calculator (ISO)ISO week number for any date — and the dates of any week number.Leap Year CheckerCheck whether any year is a leap year, see the next leap years and count leap years between two years.Hours Worked Calculator (Weekly Timesheet)Add up a week of start and end times minus breaks — total hours, overtime and pay at your hourly rate.Birthday Countdown CalculatorDays to your next birthday, the weekday it falls on, the age you'll turn and your zodiac sign.Date Format ConverterSee any date in DD/MM/YYYY, ISO, US and long formats, in Hindi, Tamil and other Indian languages, the Saka calendar and as a Unix timestamp.Retirement Date CalculatorFind your exact retirement date from your date of birth and retirement age, using the Indian government rule.Online Stopwatch & Countdown TimerA stopwatch with lap times and a countdown timer with an alarm beep — works offline in your browser.Calendar Generator (Printable Monthly Calendar)A printable calendar for any month or year, with ISO week numbers and Indian national holidays marked.
Everyday
Bills, fuel, units, numbers and handy helpers
Unit ConverterConvert length, weight, temperature, area, volume and speed instantly.Bill Splitter & Tip CalculatorSplit a restaurant bill fairly, with tip or service charge.Number to Words ConverterWrite any amount in words — Indian (lakh, crore) or international style, ready for cheques.Password GeneratorStrong random passwords, made on your device with secure randomness.Fuel Cost CalculatorPetrol or diesel cost of a road trip — with round trip and cost per person.Electricity Bill CalculatorEstimate monthly units and your electricity bill from the appliances you use.Mileage CalculatorYour vehicle's real mileage in km/l and l/100 km, and the fuel cost per kilometre.Cooking Measurement ConverterConvert cups, tablespoons, teaspoons, ml and grams for atta, rice, sugar, ghee and other Indian kitchen staples.Dice Roller, Coin Flip & Random PickerRoll dice, flip a coin or pick a random name from a list — fair, instant and with a history of results.LPG Cylinder Usage CalculatorHow long your gas cylinder lasts, daily gas use, monthly cost and the date to book your next refill.Paint Calculator (Litres for a Room)How many litres of paint you need for a room — wall area minus doors and windows, number of coats and coverage.Tile Calculator (Tiles & Boxes)Number of floor or wall tiles and boxes for a room from the area, tile size and wastage — with the approximate cost.Brick Calculator (Bricks & Cement Bags)Number of bricks, mortar, cement bags and sand for a wall — from its length, height and thickness.AC Tonnage CalculatorEstimate the right AC size in tons for your room from its area, ceiling height, floor, sunlight, people and appliances.Inverter & Battery CalculatorFind the inverter VA rating and battery Ah you need for your home load and the backup hours you want.Solar Panel Calculator (Rooftop Size)Rooftop solar size in kW from your monthly units, number of panels, roof area, generation, PM Surya Ghar subsidy and payback.Shopping List with TotalsA quick grocery shopping list — add items with quantity and price, tick them off, see the total and share on WhatsApp.Unit Price Calculator (Best Value Pack)Compare the price per kg, litre or piece of 2 to 4 pack sizes and find the best value buy.Typing Speed Test (WPM)Free typing speed test — 30 or 60 seconds, words per minute (WPM), accuracy and mistakes, with fresh English passages.
Text
Word count, case, cleaning and writing helpers
Word CounterCount words, characters, sentences and reading time as you type.Case ConverterChange text to UPPER, lower, Title, Sentence, camelCase, snake_case and more.Text CleanerRemove extra spaces and blank lines, delete duplicates, sort lines or make a URL slug.Find and Replace TextFind a word or phrase in your text and replace every match — with match case, whole word and regex options.Text Compare (Diff Checker)Compare two versions of a text line by line and see exactly what was added, removed or changed.Lorem Ipsum GeneratorGenerate placeholder lorem ipsum text by paragraphs, sentences or words — ready to copy.Readability CheckerCheck how easy your writing is to read — Flesch Reading Ease, grade level, sentence length and long sentences.Text to Speech (Read Aloud)Listen to any text read aloud with your device’s built-in voices — including Indian English, Hindi and Tamil voices where available.Character Counter (with Social Media Limits)Count characters with and without spaces, and check your text against X (Twitter), Instagram, SMS and meta description limits.Word Frequency CounterFind the most-used words and phrases in any text — with a stop-word filter, 2- and 3-word phrases and CSV export.Text RepeaterRepeat any word, line or emoji as many times as you like — with new lines, spaces or your own separator.Reverse Text GeneratorReverse text letter by letter, reverse word or line order, or flip it upside down and mirror it.Fancy Text Generator (Bold, Italic & Stylish Fonts)Turn plain text into bold, italic, script, double-struck and circled Unicode styles to paste into Instagram, WhatsApp or X bios.Tamil Numerals Converter (எண்கள்)Convert numbers to Tamil numerals (௧ ௨ ௩) and back, and write any number from 0 to 9,999 in Tamil words.Markdown Preview and to HTML ConverterWrite Markdown and see a live preview — then copy clean HTML. Supports headings, bold, italic, links, lists, code and quotes.HTML to Text ConverterStrip HTML tags and get clean, readable plain text — entities decoded and line breaks kept.Email, URL and Phone Number ExtractorPull every email address, web link, Indian phone number and hashtag out of any block of text.Online Notepad (Autosave)A clean, distraction-free notepad that saves automatically in your browser — with word count and .txt download.
Developer
JSON, Base64, URLs, hashes, UUIDs and more
JSON Formatter & ValidatorBeautify, minify and validate JSON with clear error messages showing the exact line and column.Base64 Encoder & DecoderEncode text to Base64 or decode Base64 back to text — UTF-8 safe, with a URL-safe option.URL Encoder, Decoder & ParserPercent-encode or decode text for URLs and break any URL into its parts and query parameters.UUID Generator (v4)Generate random version 4 UUIDs in bulk using your device's secure random generator.Hash Generator (MD5, SHA-256, SHA-512)MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text or file, computed on your device.Regex TesterTest JavaScript regular expressions live — highlighted matches, capture groups and replace preview.JWT DecoderDecode a JSON Web Token's header and payload, with expiry and issue times in plain dates.Unix Timestamp ConverterConvert Unix epoch time to dates in IST, UTC and your local zone, and dates back to timestamps.QR Code Generator (Link, Wi-Fi, UPI)Make QR codes for links, text, Wi-Fi logins and UPI payment requests, and download them as PNG or SVG — free, no sign-up.Password Strength CheckerCheck how strong your password is — entropy, estimated crack time, common-password check and tips. Runs only in your browser.CSV to JSON Converter (and JSON to CSV)Convert CSV to JSON or JSON to CSV with automatic delimiter detection, quoted fields and a table preview.HTML, CSS & JavaScript Formatter / MinifierBeautify messy HTML, CSS and JavaScript with clean indentation, or minify it to make files smaller.SQL Formatter & BeautifierFormat SQL queries with uppercase keywords and clear indentation for SELECT, JOIN, WHERE and subqueries.Cron Expression Generator & ExplainerBuild cron schedules with dropdowns or paste one to read it in plain English, with the next 5 run times in IST.Number Base Converter (Binary, Hex, Octal)Convert numbers between binary, octal, decimal, hexadecimal and any base up to 36 — with a bit-by-bit view and two's complement.HTML Entity Encoder & DecoderEscape text for safe use in HTML (< & ") or decode entities like and ₹ back to characters.IP Subnet Calculator (IPv4 CIDR)Network and broadcast address, subnet mask, wildcard, usable host range and host count for any IPv4 CIDR block.What's My Browser? User-Agent ParserSee your browser, OS, screen size, time zone and language — or paste any user-agent string to decode it.
Colour
Colour codes, palettes, gradients and contrast
Color Code ConverterPick any colour to get HEX, RGB, HSL and CMYK codes, shades and contrast.Colour Palette GeneratorBuild complementary, analogous, triadic, tetradic and monochromatic palettes from any base colour.Colour Contrast Checker (WCAG)Check the contrast ratio between text and background colours against WCAG AA and AAA.CSS Gradient GeneratorDesign linear or radial CSS gradients with two or three colours and copy the code.Colour MixerBlend two colours in any ratio and see every step between them.Shades and Tints GeneratorGet 10 lighter tints and 10 darker shades of any colour, ready to copy.Image Colour PickerPick any colour from an image and get its 6 dominant colours — the image never leaves your device.Random Colour GeneratorGenerate random colours — any, pastel, vivid or dark — with HEX, RGB and HSL codes.CSS Colour Names ListSearch all 148 CSS named colours — like tomato, teal and rebeccapurple — with their HEX and RGB codes. Click to copy.Colour Blindness SimulatorSee how your colours and images look with protanopia, deuteranopia, tritanopia and achromatopsia.HEX to RGB Converter (Bulk)Convert a whole list of colours between HEX, RGB and HSL at once — one colour per line.CSS Box Shadow GeneratorDesign soft, layered CSS box shadows with a live preview — then copy the CSS.
Converters
Length, weight, temperature, data, speed and more
Length ConverterConvert mm, cm, metres, km, inches, feet, yards, miles and nautical miles — with a formula and a ready table.Weight Converter (kg, lb, tola, quintal)Convert kg, grams, pounds, ounces, stone and Indian units like tola and quintal.Temperature Converter (°C, °F, K)Convert Celsius, Fahrenheit, Kelvin and Rankine, with body and weather reference points.Land Area Converter (cent, ground, acre, bigha)Convert sq ft, sq m, cents, grounds, guntha, acres, hectares, bigha, kanal and marla — Indian land units made easy.Speed Converter (km/h, m/s, mph, knots)Convert km/h, m/s, mph, knots, ft/s and approximate Mach number.Data Storage Converter (MB, GB, TB, GiB)Convert bits, bytes, KB, MB, GB and TB — and see why a 1 TB drive shows about 931 GB.Time ConverterConvert milliseconds, seconds, minutes, hours, days, weeks, months and years.Volume Converter (litre, ml, gallon)Convert ml, litres, cubic metres, US and UK gallons, cups, spoons and fluid ounces.Pressure Converter (psi, bar, kPa)Convert Pa, kPa, bar, psi, atm, mmHg and kgf/cm² — with tyre pressure examples.Energy Converter (kWh, kcal, joule)Convert joules, kJ, calories, kcal, Wh, kWh (electricity units) and BTU.Power Converter (kW, HP, ton)Convert watts, kW, horsepower (metric and mechanical), BTU/h and tons of refrigeration.Fuel Efficiency Converter (km/l, l/100 km, mpg)Convert mileage between km per litre, litres per 100 km and US or UK miles per gallon.Shoe Size Converter (India, UK, US, EU)Convert shoe sizes between India/UK, US, EU and foot length in cm for men and women.
Image
Resize, compress, convert and edit images — privately in your browser
Image Resizer (Resize Photo in Pixels)Resize any photo to exact pixels — passport size, WhatsApp DP, Instagram, YouTube thumbnail — privately in your browser.Image Compressor (Reduce Photo Size in KB)Compress JPG or WebP photos to a smaller file size — or straight to under 20 KB, 50 KB or 100 KB for online forms.Image Converter (PNG to JPG, JPG to PNG, WebP)Convert images between PNG, JPG and WebP in your browser — with a background colour for transparent areas.Image Cropper (Crop Photo Online)Crop a photo by dragging a box — free, 1:1, 4:5, 16:9, 3:4 or passport size — and download it instantly.Rotate & Flip ImageRotate a photo by 90°, 180°, 270° or any angle to straighten it, and flip it horizontally or vertically.Photo Filters & AdjustmentsAdjust brightness, contrast and saturation, or apply black & white, sepia, blur and sharpen to a photo — in your browser.Add Watermark to PhotoAdd a text watermark to your photo — choose position, size, colour and opacity, or tile it across the whole image.Image to Base64 ConverterConvert an image to a Base64 data URI for HTML, CSS or JSON — or paste Base64 to preview and download the image.
No tool matches that search. Try “loan”, “tax” or “date”.