Thumbnail Rating Bar for YouTube™ is a Chrome extension that adds a rating bar (likes/dislikes) to the bottom of every YouTube™ video thumbnail. This handy tool allows users to quickly see the overall rating of a video before clicking on it.

With Thumbnail Rating Bar for YouTube™, users can easily gauge the popularity and quality of videos without having to open them. This can be particularly useful when browsing through a long list of videos and wanting to find the most highly rated ones.

The extension is free to use and is available on the Chrome Web Store. It is developed by elliotwaite and is categorized under Browsers > Add-ons & Tools.

Please note that this extension is open source on GitHub, and if you encounter any bugs or have any suggestions, you can report them on the GitHub page. However, it is important to remember that YouTube™ is a trademark of Google LLC and the use of this trademark is subject to Google Permissions.

Overall, Thumbnail Rating Bar for YouTube™ is a useful Chrome extension for YouTube™ users who want to quickly assess the popularity of videos without having to open them.