Security
Inspect token headers and payloads safely.
Add an input and run this tool to see the output.
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Tool overview
Inspect a JWT header and payload during development without uploading the token. This tool decodes claims but does not verify signatures.
What this tool supports
- Decodes the header and payload segments locally.
- Helps inspect claims such as subject, issuer, audience, and expiry.
- JWT decoding is not signature verification and must not be treated as authentication.