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Number Base Converter
ConversionConvert arbitrarily large integers between bases 2 and 36 with binary, octal, decimal, and hex context.
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Tool guide
Number Base Converter: How to use this tool
Open the guide when you need step-by-step help or a sample. The live workspace stays first.
Guide and examples
How to use this tool
Load Data
Enter Number and base settings in the workspace or use the available Load Data options.
Convert Number Base
Run Convert Number Base. Adjust the available settings first when needed.
Review: Converted number, Errors
Review Converted number, Errors. Resolve any reported errors before using the result.
Copy, download, or continue
Continue with Copy, Download, Share.
Example to try
Example input: Number and base settings
value=11111111 from=2 to=16
Result in the live workspace
Run Convert Number Base in the live workspace above to generate the result. Review it in Converted number, Errors.
Go to the live workspace- Expected input
- Number and base settings
- Available actions
- Convert Number Base, Copy, Download, Share, Clear
- Result views
- Converted number, Errors
- Conversion targets
- Converted number
Learn more
Helpful context
Setup notes, privacy details, and examples when needed.
The converter uses BigInt, validates every digit against the source base, and supports negative integers.
ConversionNUMBER-BASE
FAQ
Common questions about Number Base Converter
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