Converters 10
All converters tools available on the platform. Pick one to get started, everything runs in your browser.
Bytes Converter (KB, MB, GB, TB)
Convert between bytes, KB/MB/GB/TB and KiB/MiB/GiB/TiB — both decimal (base 10) and binary (base 2).
Color Converter & Contrast Checker
Convert colors between HEX, RGB, HSL and HSV, plus WCAG contrast ratio checker.
CSV ↔ JSON Converter
Convert between CSV and JSON locally with custom delimiters and quoting, no upload, no limits.
EV Efficiency Converter (Wh/km, kWh/100km, mi/kWh, MPGe)
Convert electric vehicle efficiency between Wh/km, kWh/100km, mi/kWh and MPGe. Estimate range and charging cost.
Fuel Consumption Converter (L/100km, MPG, km/L)
Convert vehicle fuel economy between L/100km, US MPG, UK MPG and km/L, and estimate trip cost.
Number Base Converter (Binary, Octal, Decimal, Hex)
Convert numbers between binary, octal, decimal, hexadecimal and any custom base from 2 to 36.
Roman Numerals Converter
Convert between Arabic numbers and Roman numerals (1 to 3,999,999) with a vinculum-aware algorithm.
Temperature Converter (°C, °F, K)
Convert temperatures between Celsius, Fahrenheit, Kelvin and Rankine instantly.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates in any timezone, with millisecond precision.
Unit Converter
Convert between common units of length, mass, temperature, time and digital storage.