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Conversietools

JWT Claims Checker

Check exp, nbf, iat, issuer and audience against an explicit reference time and leeway.

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Does not verify the signature. Times must be safe integer Unix seconds. Expiration is required for the overall check to pass; missing optional time claims are reported.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Hoe werkt het

  1. Check exp, nbf, iat, issuer and audience against an explicit reference time and leeway.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Voorbeeld

exp=1767229200, now=1767225600 → expiration check passes

Details en beperkingen

Text stays in your browser; it is not sent to a conversion server.

Referenties

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