Watching poor video quality is not a good experience when you have a powerful device in front of you. And to get an immersive experience, it is the ultimate goal to see 4K videos. That to see all the details and the bright vivid colors.

However, with this free and open-source Turn Off the Lights Browser extension, you set to play all YouTube videos in HD or 4K. Furthermore, you as a user can choose from in the OPtions page between these video quality 720p, 1080p, 4K, 5K, and even to 8K.

Automatic 4k/HD for YouTube enabled

Step to enable the automatic 4k/HD for YouTube

Follow the instruction steps here below to activate your automatic 4k/HD for YouTube.

  1. Install the Turn Off the Lights Browser extension
  2. Click right on the gray lamp button, and select the menu item Options
  3. You will see the Turn Off the Lights Options page, and scroll to the bottom of the Basics tab page
  4. Here you see the YouTube Options, and here you must enable the YouTube AutoHD checkbox

Here a few demos YouTube 4K videos. So you can immersive the video experience in 4K:

Furthermore, it is a free and open-source browser extension that is used by more than 2 million users around the world.


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