DEVELOPER / FREE ONLINE TOOL

Number Base Converter

Convert binary, decimal, hexadecimal, and bases 2–36.

Free to use On-device processing No account needed
Your workspace Runs privately in your browser
Number Base Converter inputs

A little guidance.

Convert signed integers between bases 2 and 36 using exact BigInt arithmetic. Enter digits without prefixes such as 0x or 0b. Fractional numbers are not supported.

How it works

  1. Enter your values, or use the example to get started.
  2. Select “Convert number base” to process your input in your browser.
  3. Review the result, then copy or download it when available.

Good to know.

Can I convert very large integers?

Yes. Values are handled exactly, with an input limit of 4,096 digits to keep processing responsive.

Is my input sent to a server?

No. This tool runs in your browser. KILIZU does not upload or store the values or files you enter here.