is a free tool to download videos from YouTube and save it to your local computer. The videos can be converted to avi video format or to mp4 (compatible with iPod, iPhone).
The main distinguishing feature of is that now you can download High Quality videos, High Definition and Full HD videos from YouTube.
What's new in latest version:
Option to download Full HD videos from Youtube
Fixed a bug with filenames
Support for big video files
Unicode support: Youtube Downloader HD can save movies with Chinese, Japanese, Cyrillic, etc names