Binary & Hex Converter – Convert Binary, Decimal, Hex, Octal

Our Binary & Hex Converter handles all number base conversions in a single tool — binary (base-2), decimal (base-10), hexadecimal (base-16), and octal (base-8).

All Supported Conversions

- Binary ↔ Decimal
- Binary ↔ Hexadecimal
- Binary ↔ Octal
- Decimal ↔ Hexadecimal
- Decimal ↔ Octal
- Hex ↔ Octal

Quick Reference

| Decimal | Binary | Hex | Octal |
|---------|--------|-----|-------|
| 0 | 0000 | 0 | 0 |
| 10 | 1010 | A | 12 |
| 255 | 11111111 | FF | 377 |
| 256 | 100000000 | 100 | 400 |

Who Uses This Tool

- Computer science students learning number systems
- Developers debugging binary data, bitfields, and flags
- Network engineers working with IP addresses and subnet masks
- Hardware engineers reading register values
- CTF (Capture the Flag) security challenges

Bidirectional Input

Type in any field and all other fields update simultaneously — no need to specify a direction.