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Number base converter
Convert exact integers between bases 2–36.
Signed integer text (bases 2–36)
UTF-8 text
Browser only
Your input and output are processed in this browser. They are not uploaded for processing. No account is required.
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How to use this tool
- Enter an integer without prefixes, fractions or group separators.
- Set its source base and the desired output base, from 2 to 36.
- Run the tool to review or download the exact converted integer.
Examples
255 in base 10 → FF in base 16
Limitations
At most 4,096 digits.
No fractions, 0x/0b prefixes or group separators.
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