Converter Tools

Length, weight, temperature, colour & number systems.

Base64 Encoder / Decoder

Encode text to Base64 and decode Base64 back to text instantly. Free online Base64 encoder and decoder tool.

Encode and decode URLs and query strings instantly. Free online URL encoder and decoder for developers.

Enter a six-digit HEX colour to view its RGB and HSL equivalents and a live colour preview.

Convert numbers between binary, decimal, octal and hexadecimal instantly. Free number base converter online.

Convert length and distance between metres, kilometres, miles, feet, inches and more. Free online length converter.

Convert weight and mass between kilograms, grams, pounds, ounces and tonnes. Free online weight converter.

Convert temperature between Celsius, Fahrenheit and Kelvin instantly. Free online temperature converter.

Convert speed between km/h, mph, m/s, knots and more. Free online speed and velocity converter.

Convert digital storage between bytes, KB, MB, GB and TB. Free online data size and storage converter.

Convert time between seconds, minutes, hours, days and weeks instantly. Free online time unit converter.