YouTube Thumbnail Viewer
Adds a YouTube thumbnail preview button to the address bar.
What is YouTube Thumbnail Viewer?
YouTube Thumbnail Viewer is a Firefox add-on that adds a YouTube thumbnail preview button to the address bar. This allows users to easily view thumbnails without having to open the video. It enhances the browsing experience for YouTube users.
YouTube Thumbnail Viewer is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install YouTube Thumbnail Viewer if you trust the publisher.
YouTube Thumbnail Viewer has earned a fairly good reputation and likely can be trusted.