Converters
Convert between units, formats and values.
Convert colors between HEX, RGB, HSL, HSV and CMYK.
Open toolConvert length and distance between metric and imperial units.
Open toolConvert weight and mass between kilograms, pounds, ounces and more.
Open toolConvert temperature between Celsius, Fahrenheit and Kelvin.
Open toolConvert data sizes between KB, MB, GB, TB and binary units.
Open toolConvert dp and pt to pixels across Android densities and iOS scales.
Open toolConvert time between seconds, minutes, hours, days and years.
Open toolInspect a local video's dimensions, orientation, aspect ratio, duration and file size without uploading or re-encoding it.
Open toolConvert iOS Localizable.strings files to JSON and back.
Open toolConvert Android strings.xml resource files to JSON and back.
Open toolConvert Apple XML property list (.plist) files to JSON and back.
Open toolConvert area between square meters, acres, hectares and more.
Open toolConvert volume between liters, gallons, cups and more.
Open toolConvert speed between km/h, mph, m/s and knots.
Open toolConvert bandwidth between bps, Kbps, Mbps, Gbps and byte rates.
Open toolConvert pressure between Pa, bar, psi, atm and mmHg.
Open toolConvert energy between joules, calories, kWh and BTU.
Open toolConvert power between watts, kilowatts, horsepower and BTU/h.
Open toolConvert angles between degrees, radians and gradians.
Open toolConvert fuel economy between mpg, L/100km and km/L.
Open toolConvert frequency between Hz, kHz, MHz, GHz and rpm.
Open toolConvert recipe amounts between cups, grams, tablespoons and more.
Open toolConvert shoe sizes between US, UK, EU and centimeters.
Open toolSpell out any number in English words.
Open toolConvert English number words back into digits.
Open toolConvert numbers to and from scientific and engineering notation.
Open toolConvert decimals to fractions and fractions to decimals.
Open toolConvert JSON to CSV and CSV back to JSON.
Open toolConvert JSON to YAML and YAML back to JSON.
Open toolConvert JSON to XML and XML back to JSON.
Open toolConvert CSV to a Markdown table and back.
Open toolConvert Markdown to HTML and HTML back to Markdown.
Open toolConvert TOML to JSON and JSON back to TOML.
Open toolGenerate TypeScript interfaces from a JSON sample.
Open toolGenerate Go structs from a JSON sample.
Open toolConvert text to hex bytes and hex back to text.
Open toolConvert text to Unicode code points and back.
Open toolReformat a date into ISO, US, EU, RFC and Unix formats.
Open toolConvert CSS color names to HEX and HEX to the nearest name.
Open toolMove all valid SRT or WebVTT cues earlier or later and proportionally scale the timeline from video time zero.
Open toolConvert a byte count into readable binary or decimal file-size units.
Open toolConvert WGS84 latitude and longitude to UTM zone, hemisphere, easting and northing.
Open toolLook up common international calling codes by country name, ISO code or dialling prefix.
Open toolAbout Converters
Our converters translate values between the formats and notations you work with every day, from colour codes to number bases and Roman numerals. Enter a value in one format and get the equivalent instantly, with a live preview where it helps.
They are handy for design, development and learning: convert a HEX colour to RGB for CSS, switch a number between binary, decimal and hexadecimal, or turn a year into Roman numerals. Each converter is accurate and easy to read.
All conversions happen locally in your browser, so they are fast and completely private.