Free online tools

Video download

Video tools

• MOV to MP4 ConverterConvert MOV to MP4 for free in your browser. iPhone and QuickTime videos are converted on your device, with no upload, no watermark and no quality loss.
• Video CompressorCompress video files online for free and reduce MP4, MOV and WEBM size for WhatsApp, email or Discord. Runs in your browser with no upload and no watermark.
• Video CutterCut and trim videos online for free. Set a start and end time and save the clip in seconds. Works with MP4, MOV and WEBM, with no upload or watermark.
• Video to GIF ConverterTurn any video into a GIF for free. Pick the start and end, choose a size and get a sharp, looping GIF with no watermark. Works with MP4, MOV and WEBM.
• WEBM to MP4 ConverterConvert WEBM to MP4 (H.264) for free in your browser, so screen recordings and web videos play on iPhone, in PowerPoint and on TVs. No upload needed.
• Crop VideoCrop videos online for free to square 1:1, vertical 9:16, 16:9 or 4:5 for Instagram, TikTok and YouTube. Runs in your browser with no upload and no watermark.
• Resize VideoResize a video to 1080p, 720p, 480p or 360p for free. Lower the resolution to shrink 4K phone videos or meet upload limits. Runs in your browser, no upload.
• Rotate VideoRotate a video 90° left or right, turn it 180° or flip it, for free in your browser. Fix sideways or upside-down phone videos with no upload and no watermark.
• Change Video SpeedSpeed up or slow down a video for free, from 0.25× slow motion to 4× fast forward. The sound changes speed too without sounding high-pitched. No upload needed.
• Mute VideoRemove the sound from a video for free. Mute MP4, MOV or WEBM files in seconds with no quality loss and no upload, right in your browser.
• GIF to MP4 ConverterConvert GIF to MP4 for free so animations play smoothly on Instagram, WhatsApp and TikTok. The MP4 is often 5–10 times smaller than the GIF. No upload needed.

Audio tools

• MP4 to MP3 ConverterConvert MP4 to MP3 for free and extract the audio from any video file in 192 kbps. It runs in your browser with no upload, no sign-up and no watermark.
• Audio CutterCut MP3, M4A and WAV files online for free. Trim a song, pick the best part for a ringtone, or remove silence, without uploading anything.
• Audio ConverterConvert audio between MP3, WAV, M4A, OGG and FLAC for free, or extract the sound from a video. Runs in your browser with no upload and no sign-up.
• WAV to MP3 ConverterConvert WAV to MP3 for free in your browser. Shrink recordings to about a tenth of the size at 192 kbps, with no upload, no sign-up and no watermark.
• M4A to MP3 ConverterConvert M4A to MP3 for free in your browser. Turn iPhone voice memos and iTunes audio into MP3 files that play on every device, with no upload.
• MP3 to WAV ConverterConvert MP3 to WAV for free in your browser. Get uncompressed 16-bit WAV files for editing software, DJ apps and voice systems, with no upload.

Image tools

• Image CompressorCompress JPG, PNG and WebP images to a smaller file size in your browser. Pick the quality and compress many photos at once. Free, with no upload.
• Image ResizerResize JPG, PNG and WebP images by percentage or to an exact width and height in pixels. Resize many photos at once. Free, in your browser, no upload.
• JPG to PNG ConverterConvert JPG and JPEG images to PNG in your browser, one at a time or in a batch. Full resolution, free, with no upload, watermark or sign-up.
• PNG to JPG ConverterConvert PNG images to JPG in your browser to make them smaller and easier to share. Batch convert at full resolution. Free, with no upload or watermark.
• WebP to JPG ConverterConvert WebP images to JPG so they open in any app, editor or upload form. Batch convert in your browser. Free, with no upload, watermark or sign-up.
• HEIC to JPG ConverterConvert iPhone HEIC photos to JPG on Windows, Android or any browser. Batch convert at full resolution. Free, with no upload, watermark or sign-up.

PDF tools

• Image to PDF ConverterConvert JPG, PNG and other images into one PDF in your browser. Reorder pages and pick A4 or original size. Free, with no upload, watermark or sign-up.
• PDF to JPG ConverterConvert every page of a PDF into a high-quality JPG image in your browser. Download pages one by one or all as a ZIP. Free, with no upload or watermark.
• Word to PDF ConverterConvert Word documents (DOCX, DOC, ODT, RTF) to PDF for free. Fonts, images and layout stay as they are in Word. Works on phone and PC, with no sign-up.
• PDF to Word ConverterConvert PDF to an editable Word document (DOCX) for free. Text, headings and paragraphs are kept so you can edit in Word or Google Docs. No sign-up.
• Merge PDFCombine several PDF files into one in your browser. Put them in any order and download a single PDF. Free, with no upload, watermark or sign-up.
• Split PDFSplit a PDF or extract the pages you need, like 1-3 and 5, into a new PDF. Or save every page as its own file. Free, in your browser, with no upload.
• Rotate PDFRotate PDF pages 90° left, 90° right or 180° and save the result. Turn every page or only the ones you choose. Free, in your browser, with no upload.

Timers & stopwatch

• Online TimerSet a timer for any length in hours, minutes and seconds. Free online countdown with an alarm, full-screen mode and quick presets. No app or sign-up.
• 10 Minute TimerA free 10 minute timer with a loud alarm. Start it with one click, pause, go full screen and keep it running in a background tab. No app or sign-up.
• 5 Minute TimerA free 5 minute timer with a loud alarm. Start it with one click, pause, go full screen and keep it running in a background tab. No app or sign-up.
• 15 Minute TimerA free 15 minute timer with a loud alarm. Start it with one click, pause, go full screen and keep it running in a background tab. No app or sign-up.
• 30 Minute TimerA free 30 minute timer with a loud alarm. Start it with one click, pause, go full screen and keep it running in a background tab. No app or sign-up.
• 20 Minute TimerA free 20 minute timer with a loud alarm. Start it with one click, pause, go full screen and keep it running in a background tab. No app or sign-up.
• 1 Hour TimerA free 1 hour timer with a loud alarm. Start it with one click, pause, go full screen and keep it running in a background tab. No app or sign-up.
• 1 Minute TimerA free 1 minute timer with a loud alarm. Start it with one click, pause, go full screen and keep it running in a background tab. No app or sign-up.
• 2 Minute TimerA free 2 minute timer with a loud alarm. Start it with one click, pause, go full screen and keep it running in a background tab. No app or sign-up.
• 3 Minute TimerA free 3 minute timer with a loud alarm. Start it with one click, pause, go full screen and keep it running in a background tab. No app or sign-up.
• Pomodoro TimerWork in 25 minute focus sessions with 5 minute breaks and a long break after every four. Free Pomodoro timer with alarms and custom lengths. No sign-up.
• Online StopwatchA free online stopwatch with lap times, hundredths of a second and full-screen mode. Start, stop and reset with one click or the Space bar.
• Countdown TimerCount down the days, hours, minutes and seconds to any date: a birthday, holiday, wedding or launch. Name it and share a link. Free, no sign-up.

Date & time calculators

• Age CalculatorCalculate your exact age in years, months and days from your date of birth. See your age in weeks, days and hours, and the days to your next birthday.
• Date CalculatorCount the days between two dates, including weekdays, weeks and months, or add and subtract days, weeks, months and years from a date. Free and instant.
• Time CalculatorAdd or subtract hours, minutes and seconds, or find the time between two clock times. Results in hours and minutes and in decimal hours. Free and instant.
• Hours CalculatorAdd up your work hours for the week: enter start and end times and breaks for each day. Get totals in hours and minutes, decimal hours and pay. Free.
• Day of the Week CalculatorFind the day of the week for any date in the past or future, with the day of the year, ISO week number and whether it's a leap year. Free and instant.
• World ClockSee the current local time in cities around the world, with time zone offsets and day or night at a glance. Add any city or time zone. Free.
• Time Zone ConverterConvert a date and time between time zones: EST, PST, GMT, IST, CET, JST and every other zone, with daylight saving handled automatically. Free.
• Unix Timestamp ConverterConvert a Unix timestamp (epoch time) to a date in UTC and your time zone, or a date to a timestamp. Detects seconds and milliseconds automatically. Free.
• Military Time ConverterConvert between military time (24-hour) and standard 12-hour time, with a full military time chart from 0000 to 2300. Free.
• Sunrise and Sunset TimesFind sunrise, sunset, day length, solar noon, dawn, dusk and golden hour for 40 cities or any latitude and longitude, on any date. Free.

Math calculators

• Percentage CalculatorWork out percentages instantly: what is X% of Y, X is what percent of Y, and X is Y% of what. Free percentage calculator with the formulas explained.
• Percentage Change CalculatorCalculate the percentage increase or decrease between two numbers, plus the percentage difference. Free calculator for prices, salaries, grades and stats.
• Fraction CalculatorAdd, subtract, multiply and divide fractions and mixed numbers, simplify fractions and convert decimals to fractions. Exact results, free.
• Average CalculatorPaste a list of numbers to get the average (mean), median, mode, range, sum and standard deviation. Free average calculator for grades, scores and data.
• Discount CalculatorFind the sale price after a percentage discount, how much you save, and the real total of stacked discounts. Add sales tax for the final price. Free.
• Online CalculatorA free, simple online calculator for everyday sums: add, subtract, multiply, divide and percentages, with history. Works with your keyboard too.
• Scientific CalculatorA free online scientific calculator with sin, cos, tan, inverse trig, logarithms, powers, roots, factorials and π, in degrees or radians.
• Quadratic Formula CalculatorSolve any quadratic equation ax² + bx + c = 0 with the quadratic formula: real and complex roots, discriminant, vertex and axis of symmetry. Free.
• Slope CalculatorFind the slope of a line through two points, with the equation in slope-intercept and point-slope form, the angle and the distance. Free.
• Distance Formula CalculatorFind the distance between two points in 2D or 3D with the distance formula, plus the midpoint. Free distance and midpoint calculator.
• Square Root CalculatorCalculate square roots, cube roots and any nth root, simplify radicals like √72 = 6√2, and work out squares, cubes and powers. Free.
• LCM and GCF CalculatorFind the least common multiple (LCM) and greatest common factor (GCF, GCD or HCF) of two or more numbers, with each number's prime factorization. Free.
• Scientific Notation CalculatorConvert any number to scientific notation, E notation and engineering notation, count its significant figures and round to a set number of sig figs.
• Long Division CalculatorDivide whole numbers step by step with long division: quotient, remainder, the exact decimal with repeating digits, and every step shown. Free.
• Aspect Ratio CalculatorFind the aspect ratio of any width and height, and calculate the new height when resizing an image, video or screen without distortion. Free.

Health & fitness calculators

• BMI CalculatorCalculate your body mass index from your height and weight in kg/cm or lb/ft. See your BMI category and the healthy weight range for your height. Free.
• TDEE CalculatorEstimate how many calories you burn a day from your age, sex, height, weight and activity level. Uses the Mifflin–St Jeor formula. Free.
• Calorie CalculatorFind how many calories you need a day to maintain, lose or gain weight, based on your age, sex, height, weight and activity. Free calorie calculator.
• BMR CalculatorCalculate your basal metabolic rate: the calories your body burns at rest. Uses Mifflin–St Jeor and Harris–Benedict, with calories by activity level. Free.
• Calorie Deficit CalculatorPlan your weight loss: enter your goal weight and pace to get your daily calorie target, deficit and the date you'll reach your goal. Free.
• Macro CalculatorWork out your daily macros: grams of protein, carbohydrates and fat for weight loss, maintenance or muscle gain, with balanced, low-carb and keto splits. Free.
• Body Fat CalculatorEstimate your body fat percentage from a tape measure: waist, neck and hips. Uses the US Navy method, with fat and lean mass and your ACE category. Free.
• Pace CalculatorCalculate your running pace per kilometre or mile from distance and time, your speed, and finish times for 5K, 10K, half marathon and marathon. Free.
• Protein CalculatorFind how much protein you need a day for your weight and goal: general health, exercise, building muscle or losing fat. Grams per day and per meal. Free.
• Ideal Weight CalculatorFind the ideal weight for your height and sex with the Devine, Robinson, Miller and Hamwi formulas, plus the healthy BMI weight range. Free.
• Pregnancy Due Date CalculatorEstimate your due date from your last period, conception date or IVF transfer date. See how many weeks pregnant you are, your trimester and key dates.
• Water Intake CalculatorEstimate how much water to drink a day from your weight, exercise and climate. Results in litres, glasses, cups and fluid ounces. Free.

Finance calculators

• Loan CalculatorCalculate the monthly payment, total interest and full repayment schedule for a personal, student or business loan. Free loan calculator.
• Compound Interest CalculatorSee how savings grow with compound interest and regular monthly deposits. Choose daily, monthly, quarterly or yearly compounding. Year-by-year table. Free.
• Mortgage CalculatorEstimate your monthly mortgage payment with property tax, home insurance, PMI and HOA fees. See total interest and the amortization schedule. Free.
• EMI CalculatorCalculate your loan EMI, total interest and total payment for home, car and personal loans in India. Year-by-year and monthly repayment schedule. Free.
• FD CalculatorCalculate the maturity amount and interest on a fixed deposit. Quarterly compounding as Indian banks use, with any tenure in years and months. Free.
• SIP CalculatorEstimate the future value of a monthly SIP or a lumpsum mutual fund investment, with an optional yearly step-up. See invested amount and returns. Free.
• Amortization CalculatorBuild a full amortization schedule for any loan or mortgage and see how extra monthly payments cut the interest and the term. Free.
• RD CalculatorCalculate the maturity value and interest on a recurring deposit with monthly instalments and quarterly compounding, as Indian banks and post offices use. Free.
• Margin CalculatorCalculate gross profit margin and markup from cost and price, or find the selling price for a target margin or markup. Free margin calculator.
• CAGR CalculatorCalculate the compound annual growth rate of an investment, revenue or any value between two dates, or project a future value from a growth rate. Free.
• Retirement CalculatorSee if your retirement savings are on track: project your savings at retirement, the amount you'll need for the income you want, and any shortfall. Free.
• Simple Interest CalculatorCalculate simple interest and the total amount from principal, rate and time in years, months or days. Compare it with compound interest. Free.
• CD CalculatorCalculate what a certificate of deposit will be worth at maturity from the deposit, APY and term. Switch to an interest rate with compounding. Free.
• Investment CalculatorProject how an investment grows with monthly contributions, yearly increases and your expected return, and see its value after inflation. Free.
• VAT CalculatorAdd VAT to a net price or remove VAT from a gross price at any rate: 20% UK standard rate, 5% reduced rate or your country's rate. Free VAT calculator.
• GST CalculatorAdd GST to a price or remove GST from an inclusive price at 5%, 18%, 40% or any rate, with the CGST and SGST split. Free GST calculator for India.
• Car Loan CalculatorEstimate your monthly car payment from the price, down payment, trade-in, sales tax, APR and term. See total interest and the payment schedule. Free.
• Tip CalculatorWork out the tip and split the bill between any number of people. Quick 15%, 18%, 20% buttons and an option to round each share up. Free.

Currency converters

• USD to INR ConverterConvert US dollars to Indian rupees at today's exchange rate, with a quick table from $1 to $10,000. Rates from the European Central Bank, updated daily.
• INR to USD ConverterConvert Indian rupees to US dollars at today's exchange rate, with a quick conversion table. European Central Bank reference rates, updated daily.
• GBP to USD ConverterConvert British pounds to US dollars at today's exchange rate, with a conversion table from £1 to £10,000. ECB reference rates, updated daily.
• CAD to INR ConverterConvert Canadian dollars to Indian rupees at today's exchange rate, with a conversion table. ECB reference rates, updated every working day.
• AUD to INR ConverterConvert Australian dollars to Indian rupees at today's exchange rate, with a conversion table. ECB reference rates, updated every working day.
• EUR to INR ConverterConvert euros to Indian rupees at today's official ECB reference rate, with a conversion table from €1 to €10,000. Updated every working day.
• Currency ConverterConvert between 30 world currencies, including USD, EUR, GBP, INR, JPY, AUD and CAD, at today's European Central Bank reference rates. Free.

Unit converters

• CM to Feet ConverterConvert centimetres to feet and inches instantly, with a height chart from 150 to 200 cm. Also converts feet and inches back to cm. Free.
• Unit ConverterConvert length, weight, temperature, volume, area and speed between metric and imperial units. Free, instant unit converter for cooking, travel and school.
• Feet to Meters ConverterConvert feet to meters and meters to feet instantly, with a conversion table. 1 foot = 0.3048 m exactly. Free length converter.
• Miles to Kilometers ConverterConvert miles to kilometres and km to miles instantly, with a table for common running distances. 1 mile = 1.609344 km. Free.
• KG to LBS ConverterConvert kilograms to pounds and pounds to kg instantly, with a body weight table. 1 kg = 2.20462 lb. Free weight converter.
• LBS to KG ConverterConvert pounds to kilograms and kg to pounds instantly, with a conversion table. 1 lb = 0.45359 kg. Free weight converter.
• Celsius to Fahrenheit ConverterConvert Celsius to Fahrenheit instantly, with a temperature chart from −40 °C to 200 °C for weather, cooking and fever. Free °C to °F converter.
• Fahrenheit to Celsius ConverterConvert Fahrenheit to Celsius instantly, with a chart of common temperatures for weather, body temperature and oven settings. Free °F to °C converter.
• Inches to CM ConverterConvert inches to centimetres instantly, with a chart for common sizes like screens, waist and paper. 1 inch = 2.54 cm exactly. Free.
• KM to Miles ConverterConvert kilometres to miles instantly, with a table for race distances like 5K, 10K, half marathon and marathon. 1 km = 0.621371 miles. Free.
• Meters to Feet ConverterConvert meters to feet instantly, with a table including heights like 1.7 m and 1.8 m. 1 meter = 3.28084 feet. Free length converter.
• ML to OZ ConverterConvert milliliters to US fluid ounces and back, with a table for common sizes like 250 ml, 330 ml cans and 500 ml bottles. Free.
• MPH to KM/H ConverterConvert miles per hour to kilometres per hour and back, with a table of common speed limits. 1 mph = 1.609344 km/h. Free speed converter.
• Gallons to Liters ConverterConvert US gallons to liters and back, with a conversion table. 1 US gallon = 3.785 liters; UK gallons are in the menu too. Free.

Home & DIY calculators

• Square Footage CalculatorCalculate square footage for rooms, floors and land: rectangles, circles and triangles, several areas at once, in feet or metres, with cost. Free.
• Concrete CalculatorWork out how much concrete you need for a slab, patio, footing or post hole, in cubic yards or m³, and how many 40, 60 or 80 lb bags to buy. Free.
• Mileage CalculatorCalculate the fuel cost of a trip from distance, fuel economy and price, split it between passengers, or work out your car's MPG and L/100 km. Free.
• Electricity Bill CalculatorEstimate your electricity use and bill from your appliances' wattage and hours of use, at your price per kWh. Daily, monthly and yearly cost. Free.
• Ohm's Law CalculatorEnter any two of voltage, current, resistance and power to calculate the other two with Ohm's law and the power formula. Free electrical calculator.

Text tools

• Word CounterCount words, characters, sentences and paragraphs as you type, with reading time, speaking time, top keywords and character limits for X and SMS. Free.
• Case ConverterChange text to UPPER CASE, lower case, Title Case or Sentence case in one click, plus camelCase, snake_case and kebab-case for code. Free.
• Lorem Ipsum GeneratorGenerate lorem ipsum placeholder text by paragraphs, sentences or words, with or without HTML <p> tags. Copy it in one click. Free.
• Remove Line BreaksRemove unwanted line breaks from text copied from PDFs, emails and websites, while keeping paragraph breaks. Also tidies extra spaces. Free.
• Text CompareCompare two texts and highlight every difference, word by word or line by line. Additions in green, deletions in red. A free online diff checker.
• Remove Duplicate LinesRemove duplicate lines from a list, keeping the first of each, and sort A–Z, Z–A, by length or by number. Ignores case and spaces if you like. Free.
• Find and ReplaceFind and replace words or phrases in any text, with match case, whole word and regular expression options. See how many were replaced. Free.
• Fancy Text GeneratorTurn text into 𝗯𝗼𝗹𝗱, 𝑖𝑡𝑎𝑙𝑖𝑐, 𝓈𝒸𝓇𝒾𝓅𝓉, 𝔤𝔬𝔱𝔥𝔦𝔠, ⓑⓤⓑⓑⓛⓔ and upside-down styles to copy and paste into Instagram, TikTok, X and Discord. Free.
• Morse Code TranslatorTranslate text to Morse code and Morse code to text, and play it as sound at your chosen speed. Includes the full Morse alphabet chart. Free.
• Speech to TextTurn your voice into text in your browser: dictate in 18 languages, see words appear as you speak, edit the transcript and download it. Free, no sign-up.

Developer tools

• JSON FormatterFormat, validate and minify JSON in your browser. Shows the line and column of any syntax error, with indent and sort-keys options. Free, private.
• Base64 Encode and DecodeEncode text to Base64 or decode Base64 to text, with full UTF-8 support for accents and emoji and a URL-safe option. Free, in your browser.
• URL Encode and DecodePercent-encode text for URLs and query strings, or decode %20-style URLs back to readable text. Also breaks a URL into its parts. Free.
• UUID GeneratorGenerate random UUID v4 or time-ordered UUID v7 identifiers in bulk, in upper or lower case, with or without hyphens. Cryptographically random. Free.
• Hash GeneratorCalculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files in your browser, and compare them with a checksum. Free and private.
• Binary ConverterConvert numbers between binary, octal, decimal and hexadecimal (or any base 2–36), and text to binary and back. Exact for very large numbers. Free.
• HEX to RGB ConverterConvert colours between HEX, RGB, HSL and CMYK, pick a colour, and check its WCAG contrast on white and black backgrounds. Free colour converter.

Everyday tools

• QR Code GeneratorCreate a free QR code for a link, text or Wi-Fi network and download it as PNG or SVG. Static codes that never expire, with no sign-up or tracking.
• Spin the WheelEnter names or options and spin the wheel to pick one at random. Remove winners, shuffle and spin again. A free random picker for classrooms and giveaways.
• Text to SpeechPaste any text and hear it read aloud with your device's voices in dozens of languages. Adjust speed and pitch. Free online text to speech, no sign-up.
• Password GeneratorGenerate strong, random passwords in your browser: choose the length and character types, avoid look-alike characters, and see the strength in bits. Free.
• Random Number GeneratorGenerate random numbers between any minimum and maximum, one or many, with or without repeats. Truly fair, cryptographically random picks. Free.
• Coin FlipFlip a virtual coin for heads or tails, with a 3D flip animation and a running tally. Fair 50/50 results from a cryptographic random generator. Free.
• Dice RollerRoll up to 10 dice online: d4, d6, d8, d10, d12, d20 or d100, with the total and recent rolls. Fair, cryptographically random. Free virtual dice.
• Roman Numeral ConverterConvert numbers to Roman numerals and Roman numerals to numbers, from 1 to 3999, with a breakdown of each part. Great for years and tattoos. Free.

More tools

• Speed TestTest your internet download and upload speed, plus latency, in about 20 seconds. Free, with no app, on Wi-Fi or mobile data on any phone or computer.