FREE TOOL / DEVELOPER

Number Base Converter

Convert whole numbers between binary, octal, decimal, and hexadecimal with arbitrary precision.

Runs in your browser
Number Base ConverterYour input stays on this device

How to use this tool

  1. Enter your information and choose any options.
  2. Run the tool to see the result.
  3. Copy the result if you need it elsewhere.

Good to know

Supports positive and negative integers up to 512 digits. Fractions are not supported. Processing happens in your browser.