Number Base Converter

Convert numbers between binary, decimal, hexadecimal and octal instantly.

How to Use

  1. 1 Enter a number in any base.
  2. 2 Select the source base.
  3. 3 View the number in all other bases instantly.

Features

Multiple bases

Binary, decimal, hexadecimal and octal.

Instant conversion

All bases shown simultaneously.

Privacy

All calculations happen in your browser. Nothing is uploaded or stored.

This tool processes files or input locally in your browser.

Frequently Asked Questions

What is the maximum number?

Numbers up to 2^53 are supported accurately in JavaScript.

Continue with another tool in the utility workflow.