Number Base Converter

Convert numbers between binary, octal, decimal, hex and arbitrary bases.

Bases

Binary (2)

Octal (8)

Decimal (10)

Hex (16)

Base

Arbitrary-precision via BigInt — handles very large integers exactly. Edit any field to convert.

Convert text to hexadecimal and back, with optional uppercase.

Perform AND, OR, XOR, NOT and shifts on two integers, shown in all bases.

A searchable reference of ASCII codes in decimal, hex, octal and binary.

Command Palette