YouTubeのサムネ見るやつ (YouTube Thumbnail Viewer) is a free Chrome add-on developed by 象もそう思う. This add-on allows users to view thumbnails of YouTube videos without having to navigate away from the video they are currently watching.

Tired of wasting time going back and forth between the video and the thumbnail to check if it's what you're looking for? YouTubeのサムネ見るやつ is here to solve that problem. With this add-on, you can easily preview the thumbnail while still having the video open. Whether you're watching regular videos or live streams on YouTube, this add-on has got you covered.

Say goodbye to the frustration of constantly navigating away from the video just to check the thumbnail. YouTubeのサムネ見るやつ is a convenient tool that enhances the YouTube viewing experience by allowing you to preview thumbnails without any hassle.