Examine source code of Social Video DownloadHelper

{
  "manifest_version": 3,
  "name": "SavedVids - Social Video Downloader",
  "version": "1.0.0",
  "description": "SavedVids is a social media video download extension that helps you save videos from the world's most popular social media websites.",
  "browser_specific_settings": {
    "gecko": {
      "id": "savedvids@savedvids.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.youtube.com/*",
    "*://*.facebook.com/*",
    "*://*.instagram.com/*",
    "*://*.pinterest.com/*",
    "*://*.twitter.com/*",
    "*://*.x.com/*",
    "*://*.tiktok.com/*",
    "*://*.threads.net/*",
    "*://*.threads.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "shared/settings.js",
        "shared/token.js",
        "content/youtube.js"
      ],
      "css": [
        "shared/overlay.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.facebook.com/*"
      ],
      "js": [
        "shared/settings.js",
        "shared/token.js",
        "content/facebook.js"
      ],
      "css": [
        "shared/overlay.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.instagram.com/*"
      ],
      "js": [
        "shared/settings.js",
        "shared/token.js",
        "content/instagram.js"
      ],
      "css": [
        "shared/overlay.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.pinterest.com/*"
      ],
      "js": [
        "shared/settings.js",
        "shared/token.js",
        "content/pinterest.js"
      ],
      "css": [
        "shared/overlay.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.twitter.com/*",
        "*://*.x.com/*"
      ],
      "js": [
        "shared/settings.js",
        "shared/token.js",
        "content/twitter.js"
      ],
      "css": [
        "shared/overlay.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.tiktok.com/*"
      ],
      "js": [
        "shared/settings.js",
        "shared/token.js",
        "content/tiktok.js"
      ],
      "css": [
        "shared/overlay.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*.threads.net/*",
        "*://*.threads.com/*"
      ],
      "js": [
        "shared/settings.js",
        "shared/token.js",
        "content/threads.js"
      ],
      "css": [
        "shared/overlay.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png"
    }
  }
}