Examine source code of Font Generator

{
  "manifest_version": 3,
  "name": "Free Font Generator Tool",
  "version": "1.0",
  "description": "Generate stylish fonts for Instagram, WhatsApp, and more.",
  "action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "fontgenerator@onlinefontsgenerator.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}