ProsePen

Encoder & Token Inspector

Encode and decode Base64 text and files, parse URL query parameters, and inspect JWT headers, payloads and expiry.

Runs in your browser. Your text and files are not uploaded or stored.

How it works

  1. 1Paste your inputCode, text or data.
  2. 2See the resultIt updates as you type.
  3. 3CopyUse it wherever you need it.

Works well with

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