HandBrake is a software application that can convert MPEG video (including DVD-Video) into a MPEG-4 video file in .
mp4, .avi, .
ogm, or .
mkv containers.
Originally developed for BeOS, HandBrake is now cross-platform, and available for Linux, Microsoft Windows, Mac OS X, and Solaris. Released under the terms of the GNU General Public License, HandBrake is free software.