← utilities

JWT Decoder

Paste a JWT. Decode header and payload here. Optional local HMAC verify.

Algorithm / type —

Header 

              Payload
              

              

            

          

        

      


      

        
How to use it

        
    
          
  1. Paste the token in the box.
    2. 
          
  2. Read the header and the payload, with the dates explained.
    3. 
          
  3. Copy the header or the payload, or clear the box.
    4. 
          
  4. Paste a secret to check an HS signature if you have one.
    5. 
        

        
Common uses

        
See what is inside a login token. Check when a token runs out.

        
Privacy

        
Your token stays in this browser. Nothing is uploaded. Refresh and it's gone. We do not see it.