MakeMKV is a free video transcoder that converts the video clips from proprietary disc into a set of MKV files.
Reads DVD and Blu-ray discs
Reads Blu-ray discs protected with latest versions of AACS and BD+
Preserves all video and audio tracks, including HD audio
Preserves chapters information
Preserves all meta-information (track language, audio type)
No additional software is required for conversion or decryption.
Windows, Mac OS X and Linux