"But really fullscreen the video" is a free Chrome add-on developed by tom. As the name suggests, this add-on allows users to fullscreen videos even if they are covered up by hidden elements.

With this add-on installed, users no longer have to worry about missing out on the full-screen experience when watching videos online. Whether it's a small pop-up or an overlaying banner, this add-on ensures that videos can be viewed in fullscreen mode without any obstructions.

"But really fullscreen the video" is a valuable tool for those who enjoy watching videos online and want to make the most out of their viewing experience. It is a simple yet effective add-on that enhances the usability of online video platforms.