YouDown is another free utility to download youtube videos with a difference that it allows you download multiple videos from youtube one by one with any user input required, you just need to paste the path to all the youtube videos which you want to download and click go. We have also written about several other tools like Free Online Youtube Video Downloader, Subscribe and Download YouTube Videos, Download Youtube Video As Audio Song MP3 Ubuntu Linux Application To Download Youtube Videos
By default it will save all the videos downloaded from youtube on your desktop, you can change the location of the saved folder anytime and you can also select the quality of video downloaded from youtube. This small tool is very easy to use once installed.
Note: it requires .net framework 3.5 sp1 to installed on your computer.