Home › Developer › Number Base Converter

Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal.

How to use the Number Base Converter

  1. Enter or paste your input in the tool above.
  2. The result updates instantly. Click the button where one is shown.
  3. Copy the result and use it anywhere.

About this number base converter

This free online number base converter helps you with binary to decimal quickly and accurately. It works on mobile and desktop, needs no sign-up and processes everything locally in your browser.

Frequently asked questions

Is the Number Base Converter free?

Yes. The number base converter is 100% free with no sign-up, limits or watermarks.

Is my data safe when I use the number base converter?

Yes. Everything runs in your browser. Your input is never uploaded to a server or stored.

Which bases are supported?

Base 2, 8, 10 and 16.

More free tools

JSON Formatter & ValidatorFormat, beautify and validate JSON with clear error messages.Base64 Encoder & DecoderEncode text to Base64 or decode Base64 back to readable text.URL Encoder & DecoderEncode or decode URLs and query strings safely.Unix Timestamp ConverterConvert Unix timestamps (seconds or milliseconds) to readable dates.HEX to RGB Color ConverterConvert HEX color codes to RGB values with a live preview.Random Password GeneratorCreate strong random passwords securely in your browser.