MP4 VS MKV

Difference between MP4 and MKV format

File Extension	MP4	MKV
File Type	MPEG-4 Video File	Matroska Video File
Description	MP4 (MPEG-4) is a standard developed by the Moving Picture Experts Group (MPEG), commonly used for sharing video files on the Internet. MP4 video is compressed with MPEG-4 video encoding, while audio using AAC compression.	MKV is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture or subtitle tracks inside a single file.
Developed by	Moving Picture Experts Group	Matroska
Pros	Better format compatibility than MKV; The most widely-used video format; Supported by virtually all OS, players & devices;	Better video & audio quality than MP4; Ideal format for storing HD videos; Support multiple video/audio tracks & subtitles;
Cons	The application to open the MP4 file must be able to recognize both the video and audio codec in order to play the media;	Not compatible with most mobile devices and some media players; Tends to be larger than most video formats;
Help You Choose	If you wish to play your videos/movies anywhere like iPhone 5s, iPad Air, QuickTime, etc, MP4 format should the your first and best choice to encode the video files.	If you want to wrap an HD movie, TV show, anime, etc. (which includes multi-language audio tracks and subtitles) with relatively smaller file size, you can apply the video with MKV format.
Programs that open MP4/MKV files	Apple QuickTime Player Microsoft Windows Media Player VideoLAN VLC media player ArcSoft TotalMedia Theatre	Nero 2014 BS.Player DivX Media Player Classic

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