Examine source code of formats bookmarks

{
  "manifest_version": 2,
  "name": "Checkmarks",
  "description": "Checks, sorts, formats bookmarks and loads favicons.",
  "version": "1.6.2",
  "icons": {
    "48": "assets/images/logo.svg",
    "96": "assets/images/logo.svg"
  },
  "sidebar_action": {
    "default_icon": "assets/images/icon-light.svg",
    "default_title": "Checkmarks",
    "default_panel": "sidebar/checkmarks-sidebar.html"
  },
  "options_ui": {
    "page": "options/checkmarks-options.html",
    "browser_style": true
  },
  "permissions": [
    "<all_urls>",
    "bookmarks",
    "browsingData",
    "storage",
    "tabs",
    "webNavigation",
    "webRequest",
    "webRequestBlocking"
  ],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{6fbc1e00-2fa7-44a4-b98d-e3c2ffdc31b6}"
    }
  }
}