How to rip DVD to MP4 on Mac OS
DVD to MP4 Ripper for Mac is an easy-to-use DVD Ripping application for Mac users to rip and convert DVD to MP4 video,output .mp4 file including MPEG-4 video(*.mp4) and H.264 (*.mp4), and MPEG-4 AVC(*.mp4). It makes you can import DVD to iPod, iPhone, Apple TV, iMovie, QuickTime, iTunes, PSP and many other players.
Here is a step-by-step guide to rip DVD to HD MP4(Xvid or H.264) and SD MP4(MPEG-4).
Step 1: Free download and install DVD to MP4 Ripper for Mac
To install it, simply mount the .dmg archive by double-clicking it, and copy the application to your applications folder (or wherever you want).
Step 2: Load DVD to convert to MP4 video
Insert DVD into your DVD-ROM. Click "Load DVD" button to load your DVD. Just Click "Load IFO" button and press DVD folder or DVD IFO file.

Step 3: Select MP4 as output format
Use the “format” on the bottom of the window to control the output format. Click on the toggle to the right of the "Format" label to get format drop-down menu.

Step 4: Change MP4 Video and audio Settings
You can change the Resolution, Encoder, Bit rate and Frame rate of the MP4 video and Sample Rate, Channels, Encoder and Bit Rate of the MP4 Audio. The size of the MP4 file depends a lot on these settings.
Step 5: Select output directory
Expand the "Output" panel. Use the "Browse" button to select an output directory.
Step 6: Click "Start" to Rip DVD to MP4 on Mac.
If you want to trim, crop, capture screen picture, merge several video clips on to one file and more editing, please go to how to edit videos with DVD to MP4 Ripper on Mac.
What's MP4?
MP4 refers to MPEG-4 Part 14 or *.mp4, is a file format (also called container) specified as a part of the ISO/IEC MPEG-4 international standard. It is used to store media types defined by the ISO/IEC Moving Picture Experts Group, and can be used to store other media types as well. Generally speaking, MP4 is most commonly used to store digital audio and digital video streams, especially those defined by MPEG, but can also be used to store other data such as subtitles and still images.

