Check an expired token
token = eyJhbGciOiJIUzI1NiJ9.eyJleHAiOjE3MDAwMDAwMDB9.test
Result: Token expired.
JWT Expiration Checker
Paste a JWT to check its expiration status. Shows exp and nbf claims with relative time.
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 does exp mean?
The exp (expiration time) claim is a Unix timestamp after which the token must not be accepted.
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