Utilo

Number Base Converter

Convert numbers between binary, octal, decimal, hexadecimal and any base from 2 to 36, with arbitrary precision.

About the Number Base Converter

Convert numbers between binary, octal, decimal, hexadecimal and any base from 2 to 36, with arbitrary precision. It is part of Utilo, a collection of free developer utilities designed to be fast, accessible and beautiful on any device.

Is my data safe?

Yes. All processing happens directly in your browser using JavaScript, Web Workers and Web APIs. Nothing you type, paste or upload is sent to our servers.

Common uses

  • binary to decimal
  • hex converter
  • number base converter
  • decimal to binary