Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal
About this tool
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
Frequently asked questions
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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