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JWT Encoder & Decoder – Online Token Tool

JWT Encoder & Decoder tool helps developers quickly generate, decode, and verify JSON Web Tokens (JWTs) online.

Encode JWT

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Decode & Verify


        
        

        

          
          
          
          
        


        

        
        
      

    

    

            
About This JWT Tool

            
            

                
JSON Web Tokens (JWT) are widely used in modern applications for secure authentication and data exchange. A JWT consists of three parts – Header, Payload, and Signature. Manually decoding or creating tokens can be tricky, so this tool makes the process simple:

                
                JWT Encoder → Enter a header, payload, and secret to generate a signed token instantly.


                JWT Decoder → Paste your token to view the decoded header, payload, and signature.


                Verifier → Check token validity using your secret key.


                Advanced Features → Supports multiple algorithms (HS256, RS256, ES256), expiry time checker, JSON beautifier, and token part highlighting.


                This tool is built for developers, testers, and security engineers who work with APIs and authentication systems.