WTM YT Thumbnail Grabber от Mr Mate

WTM YT Thumbnail Grabber is a user-friendly extension allowing you to view any YouTube video's thumbnail, whether you're watching it or have the video ID.

WTM YT Thumbnail Grabber is designed for content creators, YouTube enthusiasts, and anyone wishing to fetch a YouTube video's thumbnail image quickly. Enter the YouTube video ID into the provided input field and click "Get Thumbnail."