Converters

Convert units, data, and colors with free tools that process everything in your browser—no uploads or watermarks.

Every tool is free, watermark-free, and runs entirely in your browser—nothing uploads to our servers. If anything needs extra permissions, we call it out right away.

Total tools: 14

Implemented: 14

Temperature

Convert between Celsius, Fahrenheit, and Kelvin

Visit Temperature

Length/Distance

Convert between meters, feet, miles, kilometers, and more

Visit Length/Distance

Weight/Mass

Convert between kilograms, pounds, ounces, and more

Visit Weight/Mass

Volume

Convert between liters, gallons, cups, and more

Visit Volume

Area

Convert between square meters, acres, hectares, and more

Visit Area

Speed

Convert between mph, km/h, knots, and more

Visit Speed

Time Units

Convert between seconds, minutes, hours, days, and more

Visit Time Units

Pressure

Convert between PSI, bar, pascal, and more

Visit Pressure

Energy

Convert between joules, calories, BTU, and more

Visit Energy

Power

Convert between watts, horsepower, and more

Visit Power

Data Storage

Convert between bytes, kilobytes, megabytes, gigabytes, and more

Visit Data Storage

Data Rate

Convert between Mbps, Kbps, MB/s, and more

Visit Data Rate

Color Converter

Convert between HEX, RGB, HSL, and other color formats

Visit Color Converter

Contrast Checker

Check color contrast for accessibility compliance

Visit Contrast Checker