MakeMKV ($50, 30-day free trial) has a simple little name, and there’s no big trick to transcoding a video from one container format to another. If that were all this utility did, it would be worthwhile, but boring. The discussion gets more interesting when you consider its ability to rip DVDs and (in the full, paid version) Blu-ray movies to your hard drive.
See the article here:
MakeMKV: Rip DVDs and Blu-Ray Discs to your hard drive