Published on

JWT Cookie Decoder

I've easily done this a few thousand times:

  • Open DevTools
  • Go to Application
  • Go to Cookies
  • Type in Filter to find some JWT cookie
  • Select its value, copy
  • Open jwt.io
  • Delete the sample data from their Encode Value
  • Paste my token data
  • Finally - have a look at some field in Decoded Payload
jwt.io

And, all of this time, I could've simply clicked a button in my browser:

JWT Cookie Decoder

Because, of course, there's a Chrome extension for that: JWT Cookie Decoder