Mac The Ripper is a free DVD Ripper (extractor) for Mac OS X. It can extract commercial DVD movies to your hard drive, minus all the copy protection and region controls put in place by DVD publishers.
Part 1, How to rip DVD using Mac The Ripper.
Step 1, Download this free Mac DVD Ripper (MacTheRipper).
http://www.mactheripper.org
Step 2, Rip and copy DVD for free. Insert your DVD movie into your DVD drive and launch the MacTheRipper. There are two major setting parts: Disc and Mode.
REC Region settings:
UOPS: Allow you to skip or fast-forward through most DVD content, such as warning screens, previews etc.
RCE Region:
If MacTheRipper displays "DISC RCE: CLEAR" after scanning the DVD, you can leave the option to OFF status.
If MacTheRipper displays "DISC RCE: -DETECTED-", you must set the option to the region in which the DVD was purchased.
De-Macrovision: Allow you to record your DVDs straight to VCR, or connect the DVD player through a VCR without getting a bunch of wavy lines. This is enabled by default.
Mode setting: Select the Full Disc Extraction Mode to reserve all the info in the inserted DVD disc.

Step 3, Complete DVD Ripping. You can find a folder in the saved location. The output files extracted by MacTheRipper are saved as .VOB format.

Part 2, How to convert DVD (.VOB) to AVI video for Mac OS X?
AVI stands for. AVI is known as one of the most popular video formats nowadays. In fact, AVI was first introduced to the world by Microsoft in November 1992 as a multimedia format, part of Microsoft Video for Windows technology. AVI files can contain audio data and video data, which are interleaved for the playback. The resolution of AVI video varies from 640*480 to 160*120, keeping a 4:3 ratio.
Mac The Ripper could only make a copy of your DVD, it could not convert DVD to any video files like MP4, MOV, AVI, MKV, etc. for playback on more devices. Thus, you have to find a free tool video converter called iSquint to convert the VOB to AVI.
Don’t want to mess around with these complicated applications? And want to convert DVD to HD AVI (Xvid, MSMPEGV3), you can choose Wondershare Video Converter Pro for Mac to rip DVD to AVI with only a few clicks!
