Developer
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Binary (Base 2)
0b
Octal (Base 8)
0o
Decimal (Base 10)
Hexadecimal (Base 16)
0x
Valid Characters
Binary: 0, 1
Octal: 0–7
Decimal: 0–9
Hexadecimal: 0–9, A–F
Documentation
How to Use
1
Enter Number
Type a number in any base (binary, octal, decimal, or hex).
2
View Conversions
See the number converted to all other bases instantly.
3
Copy Result
Click on any result to copy it to your clipboard.
Pro Tips
Supports binary (0-1), octal (0-7), decimal (0-9), hex (0-9, A-F)
Auto-detects input base
Examples
Input
42
Output
101010 (binary)