A VOB file (Video Object) is a container format in DVD-Video media. VOB is based on MPEG-2 program stream format, but with additional limitations and specifications in the private streams. It contains the actual Video, Audio, Subtitle, and Menu contents in stream form. However, VOB files are a very strict subset of the standard. So while all VOB files are MPEG-2 system streams, not all MPEG-2 system streams comply with the definition for a VOB file.

MKV is the filename extension for Matroska Multimedia Container, an open-standard free container format. A Matroska file can hold a number of audio, video and subtitle streams, besides attachments like graphics and decoder filters all at the same time, thus allowing a complete movie to be stored in a single file.


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How to convert VOB to MKV on Mac?

Import MKV files

Open Mac MKV converter after installation. Drag and drop original MKV file to the application or click on “Add” icon to import target files. Batch conversions are supported, you may convert multiple files in a time.

Output Setting

Click Profile to choose format for exported files. Optimized profiles for video conversion along with sufficient profiles for common media formats.

Upon selecting a profile, you can adjust more parameters for conversion output. You can adjust these parameters Video Codec, Bit Rate, Video Size, Frame Rate, Aspect Ratio, Sample Rate, etc.

Video Editing

The application offers video editing functions. They are optional to use. Five alternatives: Trim, Crop, Rotation, Effect and watermark.

Modify the “Start Time” and “End time” of the converted video in Trim.

Choose “Letter Box” from “Zoom” and crop the video in “Cropped size”, or directly drag the dot frame to crop frame size.

Revolve the video to the needed angle in Rotation.

Simply drag the slides of “Brightness“, “Contrast“, “Saturation” and “Volume” to adjust the video effect for a better visual effect.

Add image or text watermark to the converted video file.

 Convert VOB to MKV on Mac

After choosing the desired output profile, return to the main interface and click the Convert button on the bottom right. Afterwards, you may enable one of the two after-done actions.