JWT Decoder & Encoder
Inspect, verify, and create JSON Web Tokens — header, payload, signature, and claims
Decode / Inspect
Encode / Build
Claims Reference
Paste JWT Token
Algorithm
HS256 (HMAC SHA-256)
HS384 (HMAC SHA-384)
HS512 (HMAC SHA-512)
Secret (HMAC key)
Header (JSON)
{"alg":"HS256","typ":"JWT"}
Payload (JSON)
{"sub":"1234567890","name":"John Doe","iat":1516239022,"exp":9999999999}
Build Token
Random Secret
Set iat = now
exp +1 hour
Generated Token
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Registered Claims (RFC 7519)
Algorithm Comparison