An MKV file is an open source container format, it can provide support for a vast number of audio, video and subtitle compression formats. An MKV file contains compressed video and audio streams along with an encoder. If you happen to download a file...

MPG is the most popular video format for video lovers. Maybe you have many MPG videos and want to edit them with iMovie on Mac, then you can also publish to YouTube and MySpace. MPG is not a workable format with iMovie which is easy to use and can be...