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Integer Base Converter

New

Convert between Decimal, Hex, Binary, Octal

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.