Build JWT claims objects with standard and custom claims
Issuer (iss) claim
Subject (sub) claim
Audience (aud) claim
Expiration in minutes from now
Include issued-at (iat) claim
Include JWT ID (jti) claim
Custom claims as JSON (e.g. {"role":"admin"})
JWT Decoder
Decode JWT tokens into header, payload, and signature
JWT Encoder
Create JWT tokens with header, payload, and HMAC signature. Always use a strong, random secret key (minimum 8 characters) for signing.
JWT Debugger
Debug JWT issues including expiry, format, and claims problems
JWT Expiry Checker
Check JWT token expiration status with exp, iat, and nbf claims