Video Controller is a free Chrome add-on developed by HelloWorld. This handy tool allows users to adjust the playback speed and boost the volume of any video. With Video Controller, you can easily increase or decrease the playback speed of videos, making it perfect for watching tutorials, lectures, or any other content at your preferred pace.

One of the standout features of Video Controller is its ability to provide up to 600% volume boost for any video. This is particularly useful for videos with low audio levels or when you want to enhance the overall sound experience. The add-on also offers fine-grained control over the volume, allowing you to adjust it anywhere from 0% to 600%.

In addition to its video speed and volume features, Video Controller offers a full-screen mode for an immersive viewing experience. While Chrome's built-in security measures prevent complete full-screen access when using extensions that manipulate sound, Video Controller still provides a blue rectangle icon in the tab bar to indicate audio manipulation. Though this restriction cannot be bypassed, users can improve the situation by using the F11 key (on Windows) or Ctrl+Cmd+F key (on Mac) to maximize the browser window.

Unlocking premium member features in Video Controller allows for even greater control over videos. Premium members can enjoy video speed adjustments of up to 1600% or customize their own speed settings. Additionally, they can boost the video volume up to 800% or tailor it to their preferences. HelloWorld plans to introduce more features in the future, making Video Controller an exciting tool for Chrome users.