Integer base converter

Encoding

Convert integers between any bases from 2 to 36 — binary, octal, decimal, hex, and custom. Arbitrary precision via BigInt.

Input number

Input base

Show prefixes (0x, 0b, 0o)

Binary (base 2)

11111111

Octal (base 8)

377

Decimal (base 10)

255

Hexadecimal (base 16)

Custom base

255 (dec) · ff (hex) · 255 (formatted)