Examine source code of Instagram Media Extractor

{
  "manifest_version": 2,
  "name": "Instagram Media Extractor",
  "version": "2.1",
  "description": "Downloads photos and videos from Instagram posts, reels, and stories.",
  "permissions": [
    "activeTab",
    "tabs",
    "https://*.instagram.com/*",
    "https://*.cdninstagram.com/*",
    "https://*.fbcdn.net/*",
    "https://*.i.instagram.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "web_accessible_resources": [
    "icons/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.instagram.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8508cde8-6ea7-4ee9-9713-74e66cbae8cd}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}