Client-Side Secure Decoder
JWT Inspector
Decode and inspect JSON Web Tokens instantly. Auto-fixes formatting issues like newlines and extra dots.
Header
JOSE
Algorithm
-
Type
-
Signature
-
Signature verification requires the secret key or public key and is performed server-side.
Payload & Claims
Registered Claims
Ready to Decode
Paste a JWT token above to see its decoded header, payload, and claims analysis.
Supports: Standard JWT, Base64URL, with/without Bearer prefix, multiline formats