Examine source code of Tubidy

{
  "manifest_version": 2,
  "name": "Tubidy",
  "version": "1.0",
  "description": "Download your favorite music as MP3 (audio) or MP4 (video) files for free with the fastest MP3 Search Engine and Downloader.",
  "homepage_url": "https://tubidy.cc/",
  "icons": {
    "48": "icons/48.png",
    "96": "icons/96.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icons/32.png",
    "default_title": "Tubidy",
    "default_popup": "popup/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{30d4c12f-b3d0-4b21-8f5c-8c607e38f5a3}"
    }
  }
}