Decimal / Hex / Binary Converter

About this tool

Enter a value in decimal / hexadecimal / binary and the other two are calculated automatically.
Leading - (negative), 0x/0X, 0b/0B, underscores, spaces, and commas are ignored. Fractions are supported. All processing happens in your browser (nothing is sent).

Input

Decimal

Hexadecimal

Binary

Display options

Show hex in uppercase (A–F) Group hex every 4 characters (space) Group binary every 4 bits (space) Group decimal by thousands (comma)

Information

Notes

Uses BigInt so very large integers (beyond 64-bit) and negatives are supported.
Automatically ignores 0x/0b prefixes, underscores, spaces, and commas in the input.
Handles fractional values in decimal, hex, and binary.