Cucusoft YouTube Mate is the most powerful YouTube assistant on the planet. It is free for downloading videos any playback. which helps you to download YouTube video from YouTube and convert YouTube video to many other formats: MP4, AVI, MPEG, MP3, WMV,etc.
Abuot Downloading Features
1、Provides the highest speed to download YouTube video.
2、Support unlimited simultaneous downloading tasks.
3、Supports auto-name your downloaded video title as the YoutTube page shows.
4、Offers you the most convenient task management and the easiest control capability.
About Conversion Features
1、Supports YouTube video or any .flv and .swf file as input file.
2、Supports not only YouTube video, but also various video formats as input file, including avi, DivX, XviD, rm, rmvb, MOV, MPEG, WMV.
3、Supports a wide variety of output file format., including avi, DivX, XviD, rm, rmvb, MOV, MPEG, WMV.
4、Provides various profiles, these profiles can meet the needs of most people.
5、Supports customize or create user\'s own profile for any new (portable) device.
6、The video conversion supports preview.
About Playing Features
1、Embedded YouTube Video (Offline) Player is available, it supports offline play YouTube video, .flv video and .swf video.
2、Supports "Drag and Drop" video files direct to the main window. Easy to select the source files.
3、Cool UI skin available
Free download here: http://cucusoft-youtube-mate.kooksoft.com/
If you inserested in it, here is a step by step guide about how to use it: http://cucusoft-youtube-mate.kooksoft.com/tutorials.html
I hope this may help you.