YouTube Link Preview is a free Chrome add-on designed to enhance user interaction on the YouTube platform. This tool allows users to view a video preview simply by hovering their mouse over a link in the comments or descriptions of YouTube videos. This feature eliminates the need to click through to a new page, providing a seamless way to explore content.

The add-on aims to improve the browsing experience by giving users quick access to video previews, helping them decide whether to watch a video without leaving their current page. This functionality is particularly beneficial for users who frequently engage with comments and descriptions, making content discovery more efficient and enjoyable.