Examine source code of Memorize

{
  "name": "Memorize",
  "version": "1.2resigned1",
  "author": "Nikelse",
  "description": "Save keywords floating over your head, for a later browsing collection.",
  "manifest_version": 2,
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_action": {
    "default_icon": {
      "48": "icons/icon-we.png"
    },
    "default_title": "Memorize",
    "default_popup": "popup/index.html"
  },
  "developer": {
    "name": "Nikelse",
    "url": "https://twitter.com/NikelseDev"
  },
  "applications": {
    "gecko": {
      "id": "{8fbbb652-9df1-4242-a1c9-2aca07852b22}"
    }
  }
}