Free Number Base Converter — Binary, Decimal, Hex, Octal | Microapp

Convert numbers between binary (base 2), decimal (base 10), hexadecimal (base 16), octal (base 8), and any custom base from 2 to 36.

Number base conversion is fundamental in computer science. Binary (base 2) is used internally by computers, hexadecimal (base 16) is used in color codes and memory addresses, and octal (base 8) appears in Unix file permissions.