A DVD ripper is a software program that facilitates copying the content of a
DVD to a hard disk drive. They are mainly used to transfer video on
DVDs to different formats, to edit or back up DVD content, and for
converting DVD video
for playback on media players and mobile devices.
Some DVD rippers include additional features, such as the ability to
decrypt DVDs, remove copy preventions and make disks unrestricted and
The article is based on materials from wikipedia.org.