Integer Base Converter

Convert numbers between decimal, hexadecimal, binary, and octal — instantly with a step-by-step breakdown

Decimal (Base 10)

Hexadecimal (Base 16)

Binary (Base 2)

Octal (Base 8)

Live Bidirectional Sync

Quick Reference

Prefixes

Hex: 0x (0-9, a-f)
Binary: 0b (0-1)
Octal: 0o (0-7)

This converter uses BigInt to handle extremely large integers without losing precision.

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