Video Speed Controller with Hotkeys is described as 'Video speed controller chrome extensions have overly complicated functionalities and settings. All people want to do is speed up their videos! So this version only has 5 hotkeys -- Shift + up/down/left/right and enter for different speeds. Enjoy!' and is an app in the Web Browsers category. There are three alternatives to Video Speed Controller with Hotkeys for Windows, Firefox, Google Chrome, Linux and Mac. The best alternative is Video Speed Controller, which is both free and Open Source. Other great apps like Video Speed Controller with Hotkeys are Faster Video (Free) and HTML5 Video Speed Control (Free).
Faster Video for Firefox for Desktop that allows one to manipulate the playback rate of HTML5 videos. While right-clicking on a video allows one to change the playback rate to either 1.5X or 2.0X, this addon gives more control.