YouTube Full Windowed is a free Chrome extension developed by eklundchristopher. This extension offers a middle ground between the default YouTube video sizes and fullscreen. It adds a button within the YouTube player itself and in the browser toolbar, allowing users to toggle a full windowed mode for their videos.

With YouTube Full Windowed, users can enjoy a larger video viewing experience without the distractions of other browser elements. Whether you want to focus on a tutorial, watch a movie, or simply enjoy a video in a larger format, this extension provides a convenient solution.

Please note that this extension was built around the new YouTube layout and may not function fully on the previous layout. However, it promises improved initial load detection and fixes issues with the Chrome extension icon not working properly. Additionally, it ensures that the up-next functionality works as intended upon finishing a video.

Overall, YouTube Full Windowed is a useful Chrome extension for those who prefer a full windowed mode when watching YouTube videos. It offers a simple and convenient way to enhance the viewing experience without the need for fullscreen mode.