JWT Decoder

Decode JSON Web Tokens and view payload claims safely.

100% Client Side

Encoded JWT

Header (Algorithm & Token Type) 


                    

                


                
                

                    

                         Payload (Data)
                    

                    

                        

                    

                

            


        

    






    


        

        

            
About JWT Decoder

            

                
BulkTools's free JWT Decoder allows developers to safely unpack and inspect JSON Web Tokens in real-time. Simply paste your base64 encoded JWT into the tool, and instantly view your token header, algorithm details, and payload claims like expiration times and user IDs.
Security First: All decoding is executed securely inside your browser using JavaScript. We never upload our users' secure tokens or API keys to any back-end servers.