Free online file and unit converters
Convert images, PDFs, video, audio, spreadsheets and units in seconds, and use handy lab and food calculators. Free, with no sign-up.
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Image tools
- WebP to JPGTurn WebP images into JPG files that open everywhere.
- JPG to WebPMake JPG images smaller for faster websites.
- PNG to JPGShrink large PNG images by converting them to JPG.
- JPG to PNGSave JPG photos as lossless PNG files.
- WebP to PNGConvert WebP to PNG and keep transparency.
- HEIC to JPGTurn iPhone HEIC photos into JPG files.
- Image CompressorMake JPG, PNG and WebP images smaller.
- Image ResizerChange the width and height of your images.
PDF tools
Audio & video tools
- MP4 to MP3Extract the sound from a video as an MP3 file.
- WAV to MP3Shrink WAV recordings into MP3s that play anywhere.
- M4A to MP3Turn M4A voice memos and songs into MP3.
- MP3 to WAVTurn MP3s into WAV files for editing software.
- MOV to MP4Turn iPhone and Mac MOV videos into MP4.
- MP4 to MOVTurn MP4 videos into MOV for Apple apps.
- SVG to MP4Turn animated or still SVGs into MP4 or MOV videos.
- WebM to MP4Turn WebM recordings into MP4 that plays everywhere.
- Compress VideoMake videos smaller for sharing and email.
- MP4 to HTMLPack a video into one HTML page that plays anywhere.
- MP4 to SVGTrace a frame from a video into an editable SVG graphic.
- Video to Animated SVGTurn a short video clip into an SVG that plays like a GIF.
- HTML to MP4Record an HTML animation or banner as an MP4 or MOV video.
- Video Embed Code GeneratorGet the HTML code to put your video on a website.
Data tools
Unit converters
- Length ConverterConvert meters, feet, inches, miles and more.
- Weight ConverterConvert kilograms, pounds, grams, ounces and more.
- Temperature ConverterConvert Celsius, Fahrenheit and Kelvin.
- Volume ConverterConvert liters, gallons, cups, ounces and more.
- Area ConverterConvert square meters, square feet, acres and more.
- Speed ConverterConvert km/h, mph, knots and more.
- Time ConverterConvert seconds, minutes, hours, days and more.
- Data Storage ConverterConvert MB, GB, TB, bits and bytes.
- Pressure ConverterConvert bar, psi, kPa, atm and more.
- Energy ConverterConvert calories, joules, kWh, BTU and more.
- Concentration ConverterConvert ppm, percent, mg/L, ppb and more.
Popular conversions
- Centimeters to Inches
- Inches to Centimeters
- Millimeters to Inches
- Inches to Millimeters
- Meters to Feet
- Feet to Meters
- Feet to Centimeters
- Centimeters to Feet
- Kilometers to Miles
- Miles to Kilometers
- Meters to Yards
- Yards to Meters
- Inches to Feet
- Feet to Inches
- Nautical Miles to Kilometers
- Kilometers to Nautical Miles
- Kilograms to Pounds
- Pounds to Kilograms
- Grams to Ounces
- Ounces to Grams
- Kilograms to Stone
- Stone to Kilograms
- Stone to Pounds
- Pounds to Stone
- Grams to Troy Ounces
- Troy Ounces to Grams
- Carats to Grams
- Grams to Carats
- Celsius to Fahrenheit
- Fahrenheit to Celsius
- Celsius to Kelvin
- Kelvin to Celsius
- Fahrenheit to Kelvin
- Kelvin to Fahrenheit
- Milliliters to Fluid Ounces
- Fluid Ounces to Milliliters
- Liters to Gallons
- Gallons to Liters
- Cups to Milliliters
- Milliliters to Cups
- Tablespoons to Milliliters
- Teaspoons to Milliliters
- Liters to Cups
- Imperial Gallons to Liters
- Liters to Imperial Gallons
- Cubic Meters to Liters
- Square Meters to Square Feet
- Square Feet to Square Meters
- Acres to Hectares
- Hectares to Acres
- Acres to Square Feet
- Square Feet to Acres
- Square Kilometers to Square Miles
- Square Miles to Square Kilometers
- Dunams to Acres
- Acres to Dunams
- Feddans to Square Meters
- Square Meters to Feddans
- Feddans to Acres
- Acres to Feddans
- Kilometers per Hour to Miles per Hour
- Miles per Hour to Kilometers per Hour
- Knots to Kilometers per Hour
- Kilometers per Hour to Knots
- Meters per Second to Kilometers per Hour
- Kilometers per Hour to Meters per Second
- Hours to Minutes
- Minutes to Hours
- Minutes to Seconds
- Seconds to Minutes
- Days to Hours
- Hours to Days
- Megabytes to Gigabytes
- Gigabytes to Megabytes
- Gigabytes to Terabytes
- Terabytes to Gigabytes
- Kilobytes to Megabytes
- Megabytes to Kilobytes
- Gigabytes to Gibibytes
- Gibibytes to Gigabytes
- Megabits to Megabytes
- Megabytes to Megabits
- PSI to Bar
- Bar to PSI
- PSI to Kilopascals
- Kilopascals to PSI
- mmHg to Kilopascals
- Kilopascals to mmHg
- Inches of Mercury to Hectopascals
- Hectopascals to Inches of Mercury
- Kilocalories to Kilojoules
- Kilojoules to Kilocalories
- Calories to Joules
- Joules to Calories
- Kilowatt-hours to BTU
- BTU to Kilowatt-hours
- PPM to Percent
- Percent to PPM
- mg/L to PPM
- PPM to mg/L
- PPB to PPM
- PPM to PPB
- Grains per Gallon to PPM
- PPM to Grains per Gallon
Lab & food calculators
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Guides
All guidesBrix, Specific Gravity, Baumé and Oechsle Explained
Brix, specific gravity and the other scales all measure sugar. Here's what each one means and how they compare.
October 1, 2026
How to Dilute a Solution with C1V1 = C2V2
One simple formula tells you how much stock solution and water to mix. Here's how to use it, with three worked examples.
October 1, 2026
Feddan, Dunam, Acre or Hectare? Land Units in the Arab World
Land is measured in different units across the Arab world. Here's how big each one is and how to convert between them.
October 1, 2026