Number Base Converter
Convert numbers between binary, octal, decimal and hex in your browser. Your data never leaves your device. Free and private.
No uploads. No account. Free to use.
Bin 101010
Oct 52
Dec 42
Hex 2a
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- Files never leave your device
- Runs entirely in your browser
- No signup required
- Free
What is Number Base Converter?
Number Base Converter translates values between binary, octal, decimal and hexadecimal bases. Conversion is pure arithmetic in the browser.
Key features
- Four common bases
- 100% client-side
How to use it
- Open the tool.
- Enter a number and select its base.
- See the equivalents in all other bases.
When to use it
Use for programming, debugging, or learning number systems.
In this family
Base64 & encoding — related tools in the same cluster.
Frequently asked questions
Related tools
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