3D Youtube Downloader is a simple yet powerful downloader from Youtube and other popular video sites.All popular video sites provide for each clip several files with different qualities (Youtube is the champion here - up to 40 qualities per clip). 3D Youtube Downloader fetches complete list of available qualities and depending on current work mode automatically selects appropriate file to download or gives you an opportunity to do this by yourself.

Main features:
support for a variety of sites including Vimeo, Liveleak, Dailymotion and others
support for Youtube Adaptive Streams
support for Youtube and Dailymotion feeds (playlists, channels etc)
possibility to select quality manually
converting downloaded clips to various video and audio formats
subtitles support for Youtube and Dailymotion
search on Youtube within the program
support for 3D videos on Youtube and Dailymotion
fast processing (using multipart download for files and HTTP compression for pages)
multi language support
Portable version: download and launch any installer above and select Portable Installation.