Number Base Converter
Convert between binary, hexadecimal, decimal, and octal.
🔒 No uploads⚡ Instant🆓 Free
Decimal
255Binary
11111111Hexadecimal
FFOctal
377How It Works
1
Enter a number in any base.
2
See it converted to all other bases instantly.
3
Toggle between signed and unsigned.
Features
✓Binary, decimal, hex, and octal
✓Real-time conversion
✓Supports large numbers
✓Copy individual results
✓No data leaves your browser
Frequently Asked Questions
What number bases are available?▼
Binary (base 2), Octal (base 8), Decimal (base 10), and Hexadecimal (base 16).
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