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JWT Validator
Decode JWT tokens, validate time-based claims, and verify HS256 signatures.
Header
Payload
Signature
How it works
1. Decode
JWT tokens are split into 3 parts (header.payload.signature) and base64url decoded.
2. Validate Claims
Time-based claims (exp, iat, nbf) are checked against the current time.
3. Verify (Optional)
If you provide a secret key, HS256 signatures can be verified locally.