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About this tool
Convert an integer between binary, octal, decimal, hexadecimal, or any other base from 2 to 36. Handles large numbers with BigInt and supports negative values.
How to use
- Type or paste an integer into the input box.
- Set the source base and the target base (2 to 36).
- Read the converted result, then copy it with the Copy button.
Is my data uploaded anywhere?
No. The conversion happens entirely in your browser.
What is the maximum base supported?
Bases 2 through 36 are supported, using 0-9 followed by a-z for digits above nine.