Number Base Converter
Convert integers between binary, octal, decimal and hexadecimal, with a nibble-grouped bit view. Handles very large numbers.
Number base converter
Enter a number and its base; the other three bases and a bit view appear below.
Nothing converted yet
Enter a number above, then press “Convert”.
Runs entirely in your browser. Nothing is uploaded.
How it works
This utility runs locally in your browser for privacy and speed.
1 ⚡
Unlimited local toolsThis run costs 1 credit(s) and is saved to your history automatically.
Log in to save and view your usage history.
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Frequently asked questions
- Do I get free credits to try Number Base Converter?
- Yes — new accounts get 3 free credits to spend on any tool, Number Base Converter included. After that you only pay for what you run.
- How many credits does Number Base Converter cost?
- Everything runs in your browser and nothing is uploaded: free accounts pay 1 credit per run, and Pro or Pro+ members run it as often as they like.
- Is the content I paste private?
- Number Base Converter uses your input only to generate the result. Stored results are deleted automatically by our retention policy, and you can remove any run from your history.
- Do I need to install anything?
- No. Number Base Converter works in any modern browser — nothing to download or install.
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