Number Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal. Easy number base conversion. Free online number converter.
How to Convert Number Bases
- 1 Enter a number in the input field
- 2 Select the source base (Binary, Octal, Decimal, Hex, or custom)
- 3 Select the target base for conversion
- 4 View the converted result instantly
- 5 Check the All Conversions section for multiple base outputs
Frequently Asked Questions
Is my code or data stored anywhere? ▼
No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.
Can I use these tools offline? ▼
Yes! After the initial page load, most developer tools work without an internet connection.
Are there API limits? ▼
No limits. Since processing happens in your browser, you can use the tools as much as you need.
Is the output compatible with production use? ▼
Yes. Our tools produce standard-compliant output suitable for production environments.
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Last updated: January 15, 2026 · v2.1