Does this verify the JWT signature?

No. This tool only decodes and displays the header and payload. Signature verification requires the secret or public key.

Is it safe to paste JWTs here?

Yes. Everything runs in your browser. The token is never sent to any server.

Standard JWTs with three dot-separated parts. Both base64 and base64url encoding are supported.

Developer Tools

Decode JSON Web Tokens (JWT) to inspect header and payload.

100% client-side processing

100% client-side — your text never leaves your browser

Input

0 characters|0 words|0 lines

Output

0 characters|0 words|0 lines

Decode JSON Web Tokens (JWT) to inspect header and payload.. Runs 100% client-side — no data is sent to any server.

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