Number Base Converter

Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Supports arbitrary precision integers, prefix formats (0b, 0o, 0x), negative numbers, and two's complement representation.

Decimal
Hex (Lowercase)
Hex (Uppercase)
Hex (Grouped)
Hex (0x Prefix)
Binary
Binary (Grouped)
Octal
Base64
Two's Complement
Two's Complement (Grouped)

Related Tools