Video Speed Controller is a free Chrome extension developed by igrigorik that allows you to control HTML5 video playback speed, advance, rewind, and more with keyboard shortcuts. It provides quick playback speed adjustments, which helps optimize your video viewing experience. The extension is easy to use, and you can install it in just a few clicks.

The extension adds a speed indicator in the top left corner of the video player. Hover over the indicator, and you can accelerate, slow down, or rewind the video with just a few clicks. You can also use keyboard shortcuts like S to decrease playback speed, D to increase playback speed, R to reset playback speed, Z to rewind video by 10 seconds, X to advance video by 10 seconds, and V to show or hide the controller. If you prefer other shortcuts, you can customize the settings page according to your preferences.

Overall, Video Speed Controller is an excellent Chrome extension that provides an efficient way to control video playback speed without compromising video quality. It is ideal for those who want to watch online videos at their own pace.