Number Base Converter

Convert between binary, octal, decimal, and hexadecimal

Binary Base 2 Valid characters: 0, 1

Octal Base 8 Valid characters: 0-7

Decimal Base 10 Valid characters: 0-9

Hexadecimal Base 16 Valid characters: 0-9, A-F

Custom Base Base 2-36

Convert to Base

Uppercase hex

Group binary (4 bits)