Axara YouTube Tools is a Windows program with which you can download any YouTube video, convert it to whatever format you want, and edit it, if necessary.
You can download YouTube as well as Google Videos. Moreover, it comes with a large amount of file formats that it can convert, which you can select by choosing the device on which the video will be played.
And if that weren't enough, you can edit the video by deleting scenes, extracting audio, or taking screen shots. All this makes Axara YouTube Tools a complete collection of tools with which you can take full advantage of YouTube.
Only saves a portion of the downloaded video.