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Toolbench

Decimal to binary converter

Convert decimal numbers to binary, hex and octal instantly. Free, works with very large numbers.

In your browser

About this tool

Enter a normal decimal number and see it in binary, along with hexadecimal and octal.

How to use it

  1. 1 Type a number.
  2. 2 Choose the base it’s written in.
  3. 3 Read or copy it in every other base.

Questions

Is my data uploaded?

No. This tool runs in your browser, so your text and files never reach our server.

Is this tool free?

Yes. It’s free to use with no sign-up and no limits for normal use.