Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal
The values update automatically as you type or change the source base.
Processed entirely in your browser — supports BigInt for large numbers
About Number Base Converter
Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Enter a number in any base and see all other representations instantly.
- ·Supports binary, octal, decimal, and hexadecimal
- ·Instant conversion across all bases simultaneously
- ·Handles large numbers accurately
- ·Runs entirely in your browser — data never leaves your device
Number Base Converter FAQ
What number bases are supported?▼
Binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16).
Can I convert negative numbers?▼
The tool is designed for non-negative integers. For signed representations, you would need to handle two's complement manually.
Does this work offline?▼
Yes. All calculations happen locally in your browser.
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