Most of the apps have rolled out with the dark theme to prevent eye straining issues, visual fatigue, and blurry tired eye visions. This Dark theme helps you to work under optimal brightness and contrast color combination. Many people prefer a dark theme/mode these days for a relaxed user experience. You can enable dark mode on Google Classroom and attend the online courses without any trouble. Google Classroom is free of cost to access anytime and anywhere.

Google Classroom is a revamped solution for today’s educational system. It is built with quite challenging functions and facilities for teachers, students, and administrators. The app ensures to provide Paperless work and a convenient way to distribute assignments, notes, and reports. It supports sharing of files, documents with photos, videos, and PDFs, and also you can add YouTube videos, a Google Forms survey, and other items from Google Drive. The Google Classroom is compatible with Android, iOS, Windows, and macOS.
How to Enable Dark Mode on Google Classroom
There are many dark theme extensions available that are compatible with Chrome, Firefox, Opera, and Safari browsers. The extensions are Stylish chrome extension, Dark Mode, Dark Reader, Dark Display, Night Eye, and Midnight Lizard. We will use Dark Reader extensions for providing dark theme on Google Classroom.
[1] Launch your Google Chrome browser on your PC or Smartphone.
[2] Visit Google Chrome Web Store on the device.

[3] Type Dark Reader on the search bar and choose the extension.
[4] Navigate to the right side and click Add to Chrome to download the Dark Reader extension.

[5] Hover to the top right corner of the browser and click on the Dark Reader icon.
[6] Toggle on to the Dark mode to change the browser into the dark theme.

[7] Go to the Google Classroom Official Website on your device and choose your Google Account.
[8] Select Continue and click the Classes to learn on the Google Classroom.

There are more options to customize and control the background according to your comfort on the Dark reader. You can adjust the brightness, contrast, and grayscale in the Dark Reader extension. The extension also supports all websites such as Google, Bing, Wikipedia, Facebook, Twitter, Pinterest and etc. kindly share your feedback and queries in the comments soon.
Related: How to Enable Amazon Dark Mode
FAQ
Dark Mode decreases the blue light exposure while using the device for a prolonged time and helps to reduce eye strain. It can assist in using the device in low light conditions.
You can turn Google Classroom into Dark mode by installing the Dark mode enabling extensions in the Chrome browser.