YouTube Likes and Dislikes Rating Bar in Video Thumbnail: 
YouTube Ratings Preview is a Chrome extension that shows the likes and dislikes bar over every video thumbnail in YouTube so that you can know its rating before playing it. Ratings are displayed as a red/green bar below every video thumbnail on YouTube search results, featured and related videos to give you the user feedback about the quality of the video. Get YouTube Ratings Preview for Google Chrome. There is also a userscript that shows YouTube likes and dislikes rating bar under video thumbnails, called YouTube Rate Everything for Firefox, Opera and Internet Explorer user.
YouTube Rating Bar in Video Thumbnail Related:
YouTube HD 720p 1080p Video Downloader
Real YouTube Downloader
Video Thumbnails Maker
YouTube Video Editor
