JWT Debugger

Decode and validate JWT tokens instantly. View header, payload, and verify signatures for JSON Web Tokens.

Encoded Token

Decoded Token

HEADER: ALGORITHM & TOKEN TYPE

 
  
 
PAYLOAD: DATA
 
 
  
 
SIGNATURE
 
 Signature verification requires secret key 
 
 
 
    
 
About JWT
 

JSON Web Tokens are an open standard (RFC 7519) for securely transmitting information between parties as a JSON object.

 
 
• Header: Contains token type and signing algorithm
 
• Payload: Contains claims (statements about an entity)
 
• Signature: Ensures token hasn't been altered
 
 
   
  
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