toolsko

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Number Base Converter

Binary, octal, decimal and hexadecimal in one step.

Tool inputs stay in your browser · optional AI search sends your query

How to use it (step by step)

  1. 1Fill in the boxes: “Number”, “Written in”. Example numbers are already there so you can see how it works; replace them with yours.
  2. 2The result updates instantly as you type (on a phone it is below the boxes).
  3. 3The bold line is the main answer. Tap Copy next to any value to copy it.

Words to know

Hex / binary
Other ways of writing numbers. Binary uses only 0 and 1; hex uses 0–9 and A–F.

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