Web & data

Number base converter

Convert whole numbers between binary, decimal, octal and hex.

How to use
Free. Always.Inputs stay in your browserNo sign-up

Your saved tools stay in this browser.

Number base converter — workspace

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How to use: Number base converter

  1. Start with the example, or replace it with your own values.

  2. Review Whole number, Input base, then select “Get result”.

  3. Read the result, then copy or download it. Edit any input to try again.

What you can do

  • Convert whole numbers between binary, decimal, octal and hex.
  • Input base: Decimal (10), Binary (2), Octal (8), and Hex (16).

What you get

  • A result you can review, copy or download. Numeric tools show labeled calculations; text tools show the transformed output.

What you need

Whole number
Enter or paste your value, or start with the example.
Input base
Decimal (10), Binary (2), Octal (8), and Hex (16).

Try an example

Whole number
255
Input base
Decimal (10)
Try it in the tool

Good to know

  • Use a current browser with JavaScript enabled. Available formats and speed depend on your browser, device and input size.

Your work stays on your device

Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.

Questions & answers

Is Number base converter free?

Yes. Number base converter is free to use and does not require an account.

Are my files or entered values uploaded?

Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.

What result can I save?

A result you can review, copy or download. Numeric tools show labeled calculations; text tools show the transformed output.

What should I check before using the result?

Use a current browser with JavaScript enabled. Available formats and speed depend on your browser, device and input size.

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