Online Converters
7 free converters covering units, live currency, temperature, color codes, base64, time zones, and number bases.
Unit Converter
Length, weight, temperature, area, volume, speed, time.
Open →Currency Converter
Live ECB exchange rates for 30+ world currencies.
Open →Temperature Converter
Celsius, Fahrenheit, Kelvin, Rankine, Réaumur.
Open →Color Converter
HEX ↔ RGB ↔ HSL ↔ HSV ↔ CMYK with live preview and contrast checker.
Open →Base64 Encoder / Decoder
Encode or decode Base64 text instantly. Runs locally.
Open →Time Zone Converter
Convert between any two world time zones with meeting planner.
Open →Number Base Converter
Binary, octal, decimal, hexadecimal with bit-length display.
Open →About converters
All conversion factors are accurate to 6+ decimal places. The currency converter pulls live ECB rates daily via the free Frankfurter API. Color conversions work for web and print (CMYK). Time zone conversion handles DST automatically via your browser's Intl API.