How to rip DVD to MPG on Mac
DVD to MPG Ripper for Mac can rip DVD to video formats including MP4, MKV, AVI, MOV, M4V, 3GP, MPG, MPEG, FLV, etc. and extract audio from DVD to MP3, MKA, M4A, AAC, AC3, etc.
Here is a step-by-step guide to rip DVD to MPG on Mac OS X.
Step 1: Free download and install DVD to MPG 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 MPG
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 MPG 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 MPG Video and audio Settings
You can change the Resolution, Encoder, Bit rate and Frame rate of the MPG video and Sample Rate, Channels, Encoder and Bit Rate of the MPG Audio. The size of the MPG 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 MPG 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 MPG Ripper on Mac.

