JWT Debugger

How This Tool Works

This tool allows you to decode and inspect the header, payload, and signature of a JSON Web Token (JWT) directly in your browser.
All operations are performed client-side, meaning your data never leaves your device.

JWT Debugger

Paste your JWT token below to decode its components:
Example input: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c

Decoded Components

Header


                
            

            

                
Payload

                

                
            

            

                
Signature

                

                
            

            

        

    


    


    
    

        
Base64 Encoder/Decoder

        

            Enter text to encode or decode Base64 strings: 

        


        
        
        

            
            
        


        
        

            
Result

            

            
            

        

    







		


		
	







	

	

	

		

		
	





	

		
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