For example, you could have a device that can only play MP4 videos, and not MKV. To be able to watch your MKV file, you have to know how to convert MKV to MP4 file format.

What is M3U8 file? How to open and play M3U8 file? How to download video from M3U8 and convert M3U8 to MP4 file for unlimited offline playback?

Converting MOV files to MP4 Converting to an MP4 file can drastically reduce file size without changing the audio or video quality in any way that is detectable to your audience.

How to convert YouTube videos to MP4 file format on MAC/Windows Windows and MAC may be different operating systems. But the method is more or less similar for YouTube to mp4 online conversion.

For example, to convert a MKV file to MP4 to be able to play it directly on your Mac, you’d simply launch Movavi and drag and drop the MKV file into the window. Then, you select MP4 output.