Examine source code of X Cookie Exporter

{
  "manifest_version": 3,
  "name": "X Cookie Exporter",
  "version": "1.0.0",
  "description": "Extract your X/Twitter session cookies (auth_token, ct0, twid) and download them as cookies.json for use with twikit.",
  "permissions": [
    "cookies"
  ],
  "host_permissions": [
    "*://twitter.com/*",
    "*://*.twitter.com/*",
    "*://x.com/*",
    "*://*.x.com/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "X Cookie Exporter",
    "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"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "x-cookie-exporter@twikit",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}