"Youtube 播放時同步檢視資訊" is a Chrome add-on under the Browsers category, specifically in the Add-ons & Tools subcategory. This free program, developed by Leo Shen, enhances the viewing experience on YouTube by providing synchronized information during playback. It offers features such as detailed descriptions, related videos, chat rooms, and playlists, enriching the user's interaction while watching videos on the platform.

Users of this add-on can benefit from a more immersive and informative experience on YouTube, with additional content and functionalities easily accessible alongside video playback. Leo Shen's creation aims to enhance the overall engagement and enjoyment of browsing and watching videos on the popular platform.