The Fast and Free Way to Download and Manage YouTube Videos
- Automatically detect videos playing on YouTube and provide one-click solution to let you download YouTube videos, even in HTML 5
- Support batch download of all videos in your YouTube Playlist, User Page, Channel, or Category.
- Play FLV, MP4, and WebM videos on Mac and conveniently manage your downloads.
- Now support OS X 10.8 Mountain Lion, please learn more about this