Easy way to edit vob for mac with VOB Editor Mac
Guide: How to edit vob for mac with Mac VOB Editor
1. It is necessary to download the VOB Editor Mac: Intel Version or PowerPC Version.
2. Launch the program after installing it in your Mac. You can see its operating interface.

3. "Add Files" button: click it to add vob videos on your hard disk.
"Trim Crop Effect" button: trim or crop the checked video or adjust the video effect.
4.
The two red circles showed in the picture above means the start time and end time. Drag them to reset the start point and end point.
5. 
If you think the display screen of the video is not very suitable, this function can help you deal with this problem. You just need to dragthe frame around the video, or under "UP, Down, Left, Right" option choose number to specify an area and then click "OK" button.
6.
In Effect window, you can see Brightness, Convtrast, Saturation and Volume these items. Drag the slider to alter them. Filters item provides some special effects.
7.
The Mac VOB Editor is also good at joining multiple videos into one by checking "Merge into one file" item.
8.
The preview screen has two buttons-Snapshot and Folder. The first one is to capture images of the video. The second one is to browse these captured images.
You can edit any vob videos you want with this wonderful VOB Editor for Mac.