Examine source code of URLx Link Shortener

{
  "name": "URLx Link Shortener",
  "description": "URLx Link Shortener is a free tool that allows you to shorten any link.",
  "version": "1.1",
  "manifest_version": 2,
  "action": {
    "default_popup": "x.html",
    "default_icon": "redirect.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8ba4fca6-91bc-4b8a-92f0-0417719d560d}"
    }
  }
}