Base Converter
Convert binary, octal, decimal, hexadecimal, and base 36 integers locally in your browser.
Convert number
Convert integers between bases 2 through 36. Prefixes like 0b and 0x are supported.
Result
Common bases
Binary (2)
101010
Octal (8)
52
Decimal (10)
42
Hexadecimal (16)
2A
Questions
Which bases does this converter support?
It supports integer conversion between bases 2 through 36, with common presets for binary, octal, decimal, hexadecimal, and base 36.
Can this convert very large integers?
Yes. The converter uses BigInt so large integers can be converted without normal JavaScript number precision loss.
Does Utilumo upload my input?
No. This tool is designed for local browser processing and does not send your input to a server.
Do I need an account?
No. Utilumo tools are built to work without accounts or sign-in.