Examine source code of Best WordPress Tools

{
  "manifest_version" : 3 ,
  "name" : "__MSG_app_name__" ,
  "description" : "__MSG_app_description__" ,
  "version" : "1.0.6",
  "default_locale" : "en" ,
  "icons" : {
    "16" : "img/best-wp-tools-16.png",
    "32" : "img/best-wp-tools-32.png",
    "48" : "img/best-wp-tools-48.png",
    "128" : "img/best-wp-tools-128.png"
  },
  "action" : {
    "default_popup" : "html/home.html",
    "default_icon" : {
      "16" : "img/best-wp-tools-16.png",
      "32" : "img/best-wp-tools-32.png",
      "48" : "img/best-wp-tools-48.png",
      "128" : "img/best-wp-tools-128.png"
    }
  },
  "permissions" : [
    "activeTab" 
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c9019ce2-0f34-4505-9c0d-1f0600fc4e1a}",
      "strict_min_version": "109.0"
    }
  },
  "commands" : {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+W"
      }
    }
  }
}