Examine source code of Data URL Converter Tool

{
  "manifest_version": 3,
  "name": "__MSG_extension_name__",
  "short_name": "__MSG_extension_short_name__",
  "description": "__MSG_extension_description__",
  "version": "1.0.1",
  "default_locale": "en",
  "icons": {
    "128": "src/assets/icon.svg"
  },
  "action": {
    "default_icon": {
      "128": "src/assets/icon.svg"
    },
    "default_popup": "src/popup/popup.html"
  },
  "permissions": [
    "clipboardRead",
    "clipboardWrite"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "data-url-converter@andreyan.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}