toolsko

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Base32 Encode / Decode

Encode text to Base32 (RFC 4648) or decode it, like the secrets used by 2FA authenticator apps.

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

Good to know: Base32 uses only A–Z and 2–7, so it is easy to read aloud and type. Authenticator (2FA) secret keys are Base32.

How to use it (step by step)

  1. 1Type or paste your text into the “Text or Base32” box. There is already an example in it so you can see how it works; press Clear to start with your own.
  2. 2Choose your settings: “Direction”, “Padding (=)”.
  3. 3The answer appears right away in the “Result” box. No button needed.
  4. 4Press Copy and paste the result wherever you need it.

Words to know

Base32
A way to write any data using only A–Z and 2–7. Two-factor (2FA) secret keys use it because it is easy to type.

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