Google Classroom

Classroom helps teachers save time, keep classes organized, and improve communication with students.
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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_appName__",
  "short_name": "Classroom",
  "description": "__MSG_appDesc__",
  "version": "1.8",
  "default_locale": "en",
  "app": {
    "urls": [
      "*://classroom.google.com/"
    ],
    "launch": {
      "web_url": "https://classroom.google.com/"
    }
  },
  "icons": {
    "128": "icon_128.png"
  },
  "manifest_version": 2
}