is a custom-built tool to free download streaming videos specially for YouTube videos and convert YouTube flv to avi, wmv, mpeg, mov, etc. This YouTube downloader not only free download youtube video, but also can download other flash flv videos which use "http" protocol, such as Google video, Yahoo video, AOL video, Matecafe video, etc.
YouTube downloader can free download any YouTube video, even protected videos which charge with Google checkout while downloading. In addition, this YouTube downloader can download any other flash flv videos from internet, for instance.
Wondershare YouTube downloader not just free download youtube video, but also can convert youtube flv to avi, wmv, mpeg, mov, etc, which are compatible with iPod, iPhone, PSP, Apple TV, Zune, and other mobile devices.
Integrated powerful background processing unit affords to batch download and convert multiple YouTube video files at a time, no volume limitation, which functions as the Bit Torrent always streaming in quality-ensured You Tube video with 10X speed.
"Related" function in this YouTube downloader will help you to search and download hundreds of videos which are related to the one you are downloading.
For example, you download one episode of "Desperate housewife", YouTube downloader will add all episodes of "Desperate housewife" into "Related", and then you can download all episodes at a time.

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