Automatic 4K/HD for Youtube is a Chrome extension that enhances your Youtube viewing experience by allowing you to select your desired playback quality. With this extension, you can watch Youtube videos automatically in the highest quality available. Whether it's 1080p, 720p, or any other available size, you can choose the quality that suits your preferences.

One of the standout features of Automatic 4K/HD for Youtube is its ability to save your playback quality settings forever. This means that you don't have to manually select the desired quality every time you watch a video. The extension remembers your preference and sets it automatically for each video you watch.

In addition to automatic playback quality selection, this extension offers other useful features. You can expand the Youtube video description by default, set default player sizes, and enjoy Youtube HD in various formats. The extension is designed to be ultra-fast and lightweight, ensuring that it doesn't slow down your Youtube player.

Another noteworthy feature is the ability to sync your Youtube quality settings to other connected PCs. This means that if you use multiple devices to watch Youtube, you can have consistent playback quality across all of them.

Overall, Automatic 4K/HD for Youtube is a valuable Chrome extension for Youtube enthusiasts who want to enhance their viewing experience by effortlessly selecting their desired playback quality.