Youtube Video Downloader is an easy-to-use tool for downloading streaming videos. It significantly speeds up the download of videos. Then, they can be converted into MP4, 3GP, 3G2, AVI, WMV, VOB, MPEG1, MPEG2 or MP3 so that they can be played back on mobile devices (iPhone, MP3 player, PSP, etc.). Nothing simpler, you only need to type the URL of your video, to specify the output format and the target folder, to click on "Download" to start the process. Via the interface, you can see the download progress and change your bandwidth speed.