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JWT Decoder

Decode JWT tokens instantly. View header, payload, and signature without a library.

Invalid JWT format (must have 3 parts)

How to Use JWT Decoder

  1. Paste or type your input in the text area above
  2. The result updates instantly as you type
  3. Click the Copy button to copy the output
  4. Use the Reset button to clear and start over

Frequently Asked Questions

Is JWT Decoder free?

Yes, JWT Decoder is completely free to use. No sign-up, no subscription, no limits.

Does JWT Decoder work offline?

JWT Decoder runs entirely in your browser. Once the page loads, it works without an internet connection.

Is my data safe when using JWT Decoder?

All processing happens in your browser. Your data never leaves your device and is never sent to any server.

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