As we know, VOB (Video Object) is a container format in DVD-Video media, which is based on MPEG-2 program stream format. VOB files are a very strict subset of the MPEG program stream standard. While all VOB files are MPEG program streams, not all MPEG program streams comply with the definition for a VOB file. And in most cases, you may want to Convert VOB files to other video formats (AVI, MOV, MP4 or MKV) for the portable players like Xbox, iPod Touch, iPhone and iPad on your Mac.
If you have copied the VOB files from DVD Discs, and also want to convert these VOB files to AVI on your Mac, how to easily accomplished your goal without losing the quality of the video?
Here we recommend Mac VOB to AVI Converter, will help you get AVI videos from VOB files on your iMac. You can customize the VOB files before converting video via powerful editing functions of this program.
Step 1. Add VOB files to the VOB to AVI Converter for Mac
After you run it, directly drag VOB files you want to convert into the left video list of Mac VOB Converter. Or you can click "Add Video Files" from "File" Menu. Mac VOB to AVI Converter also provides a preview window for the imported videos; you can preview them before the conversion.
Step 2. Choose the right output video format AVI as you need
Click on the device icon behind the video thumbnail to select the right video format, if you don't know which format you need, just find the right device player you have.

Step 3. Customize and Convert VOB files to AVI on Mac OS X
Click on "Start" and begin to convert VOB files with Mac VOB to AVI Converter, the conversion time is dependent up on the size of VOB file. Just has a rest or a coffee, and then you can enjoy your AVI videos on your Xbox or some other places.