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JWT Decoder

Decode and inspect JSON Web Token header, payload, and signature.

How to use JWT Decoder

  1. 1

    Paste or type your input in the editor.

  2. 2

    Click Process to transform instantly.

  3. 3

    Copy the result with one click.

Why choose JWT Decoder?

  • Runs 100% in your browser
  • No file uploads needed
  • Instant results
  • Private — data never leaves your device

FAQ

Is verification performed?

This tool decodes only. Signature verification is not performed.

Is my token sent to a server?

No. Decoding happens entirely in your browser.