Base Number Playground

Convert a number between bases with BigInt precision. Live binary grouping, byte breakdown, and a bitwise view.

Number

Input base

Custom base (2–36)

Binary

11111111

Octal

377

Decimal

255

Hex

ff

Base 36

73

Grouped binary (nibbles)

1111 1111

Byte breakdown

B1: 11111111

Bitwise view

NOT (~x)-256

x << 1510

x >> 1127

x & 0xFF255