Decode JWT tokens locally
JWT Debugger
Paste a JWT and inspect the decoded header and payload instantly in your browser without sending the token to a server.
JWT input
Paste data or configure the fields, then run the tool.
Decoded token
Copy-ready output appears here.
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StatusReady
Best uses
Use this when debugging auth payloads, checking expiration claims, reviewing audiences, or inspecting locally issued development tokens.
Popular use cases
- Inspecting auth payloads
- Checking exp and iat claims
- Debugging local auth flows
- Reviewing header algorithms quickly
How to use it
- 1. Paste the JWT token.
- 2. Run the debugger.
- 3. Review the decoded header and payload output.