Source Manifest.json {"update_url": "https://clients2.google.com/service/update2/crx", "name": "__MSG_mt_name__", "version": "1.0.3", "description": "__MSG_mt_description__", "manifest_version": 2, "default_locale": "en", "offline_enabled": true, "short_name": "MdText", "app": { "background": { "scripts": [ "js/background.js" ] } }, "permissions": [ "https://www.google-analytics.com/*", "storage", { "fileSystem": [ "write" ] } ], "icons": { "16": "img/16.png", "32": "img/32.png", "48": "img/48.png", "128": "img/128.png" }} Read more