PRISM.TOOLS
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🎫 JWT Decoder
Decode and inspect JSON Web Tokens
JWT Token
📋 Paste
🗑️ Clear
Status:
-
Algorithm:
-
Issued:
-
Expires:
-
Header
📋 Copy
Payload
📋 Copy
Signature
📋 Copy
⚠️ Signature verification requires the secret key. This tool only decodes the token.
📝 Try a sample JWT:
HS256 Token
RS256 Token
Expired Token
ℹ️ About JWT Tokens
Header:
Contains token type (JWT) and signing algorithm (e.g., HS256, RS256)
Payload:
Contains claims (user data, expiration, etc.)
Signature:
Verifies token hasn't been tampered with (requires secret key)
Common Claims:
iss (issuer), sub (subject), aud (audience), exp (expiration), iat (issued at)
Privacy:
Your token is decoded locally in your browser, never sent to any server