Analyze a JWT
token = eyJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJ0ZXN0Iiwic3ViIjoidXNlcjEyMyIsImV4cCI6OTk5OTk5OTk5OSwiZnJvbSI6InRlc3QifQ.test
Result: Claims identified with explanations.
JWT Claims Viewer
Paste a JWT to see all standard and custom claims with human-readable explanations. Detects expiration, sensitive data exposure, and unusual claims.
Privacy: this tool processes your data entirely in your browser. Nothing you paste or type is sent to the server.
Enter your values and press Calculate — the result appears here.
Worked examples
Frequently asked questions
What is the difference between this and the JWT Decoder?
The Claims Viewer provides richer analysis: labels, descriptions, expiration status, sensitive data warnings, and security guidance.
📚 Learn More
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