Number Base Converter

Runs in your browser · nothing is uploaded

Binary, octal, decimal, hex and any base from 2 to 36.

Binary — base 2

Octal — base 8

Decimal — base 10

Hexadecimal — base 16

Custom — base 36

Any base from 2 to 36.

Bits8 bits

1111 1111

Arbitrary precision — values larger than 2⁵³ stay exact.