If you have a collection of DVD movies and want to extract a chapter or make a full backup copy from a DVD to a video file which is more compatible with standard computer-based players and editors, VAIS DVD Ripper is just what you might be looking for. It is used to copy DVD-Video to video files for further editing, backup, sharing or playback without the need to load a DVD. The ripped video can be played on iPod, iPhone, iPad, Android, etc.