Female Tools  ·  Number Base Converter

Number Base Converter

Convert any number between binary, octal, decimal, hex, and custom bases instantly.

This number base converter is a quick reference for anyone working with binary, octal, decimal, or hexadecimal values — programmers debugging bit flags, students learning how computers represent numbers, or anyone converting a color code or memory address. Type a number, choose the base it's currently written in, and every other base updates at once: binary and hex values are automatically grouped into readable 4-bit and 2-digit chunks, and base32 and base36 are included for less common cases like short-code generation. An info panel below the results shows the bit length and byte count of the value, which is useful when sizing data types or checking overflow. Every result has its own one-click copy button, and conversions run instantly in the browser using native JavaScript number parsing.