YouTube Inline Fullscreen is a Chrome extension developed by doubleyoustew. This free add-on falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. With a single click, this extension allows you to make the most out of your screen space while watching YouTube videos.

One of the main features of YouTube Inline Fullscreen is the windowed fullscreen mode. By toggling this mode using the extension icon, the dedicated button inside the YouTube player, or by using the shortcut "w", you can enjoy a fullscreen experience without sacrificing the ability to scroll down to the comments and related videos.

Furthermore, this extension makes YouTube videos responsive, eliminating wasted space around the content you enjoy. After installing the extension, simply reload YouTube to have the button appear in the player.

Enhance your YouTube viewing experience with YouTube Inline Fullscreen and maximize your screen real estate effortlessly.