Developer Utility

JWT Decoder

Security

Decode JWT tokens and inspect header, payload and claims

Your data is processed locally in your browser. Nothing is uploaded.

What is JWT Decoder?

JWT Decoder is a free online tool that helps developers decode jwt tokens and inspect header, payload and claims. All processing is done locally in your browser — no data is sent to any server.

How to use

  1. Open the JWT Decoder tool above.
  2. Enter or paste your input in the text area.
  3. Click the action button to process your data.
  4. Copy the result to use in your project.

Use Cases

  • Quick data transformation during development.
  • Debugging and inspecting data formats.
  • Learning and experimenting with different formats.

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