Free JWT Decoder

Decode a JWT and view header and payload. No verification — inspection only.

JWT
Decoded
Header

          

          

            
Payload

            

          

          
        

      

    

  


  
  

    


      

        
How to use

        
    
          
  1. Paste or type your JWT token into the left panel.
    2. 
          
  2. The header and payload update automatically as you edit — you can also use Decode to refresh.
    3. 
          
  3. Never paste tokens that contain production secrets.
    4. 
        

      


      

        
Why use this tool?

        
Inspect JWT contents for debugging. We do not verify signatures — this tool only decodes the base64url parts and renders the JSON inside the header and payload.