To resolve this issue, try VLC media player. MP4 is a container that contains various kinds of data, so when there is a problem opening the file, it usually means that data in the container (an audio or video codec) is not compatible with the device’s OS. On some devices, particularly mobile, opening this file type can be problematic. Verdict: Online Convert is a program to convert short video clips from VOB to MP4 format.

On Windows, it opens in Windows Media Player. There is no need for third-party software. Simply double-clicking the file opens it. MP4 files open in the operating system's default video player. Adjust settings Besides conversion, set codec, quality, frame rate of your video, resize, rotate and cut it. 100 MB maximum file size or Sign Up Upload from cloud Add a VOB file from your computer or phone, Google Drive or Dropbox account. Many consider MP4 to be one of the best video formats available today. VOB Converter Convert your video files for free Choose Files Drop files here. It is also a popular video format for streaming over the Internet, such as on YouTube. It is compatible with a wide range of devices and operating systems, using a codec to compress file size, resulting in a file that is easy to manage and store. Sign up for more Advanced Settings (Optional) How to Convert VOB to MP4 Click the Choose Files button to select your VOB files. MPEG-4 (MP4) is a container video format that can store multimedia data, usually audio and video. Choose Files From Device From Dropbox From Google Drive From URL Or drop files here.

Vob file converter