Examine source code of Vid Snapper

{
  "manifest_version": 2,
  "name": "Vid Snapper",
  "version": "1",
  "description": "Effortlessly download your favorite YouTube videos in high quality with a single click. Build your personal video library, enjoy offline viewing, and share with friends—anytime, anywhere!",
  "permissions": [
    "activeTab",
    "https://www.googleapis.com/"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ddd4508e-95e4-4dc6-844c-b66d9d470a8f}"
    }
  }
}