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| Name | MKV | MP4 |
| Full name | MKV - Matroska | MP4 - MPEG-4 Part 14 |
| File extension | .mkv, .mk3d, .mka, .mks | .mp4, .m4a, .m4p, .m4b, .m4r, .m4v |
| MIME type | video/x-matroska, audio/x-matroska | video/mp4 |
| Developed by | www.matroska.org | International Organization for Standardization |
| Type of format | Container format | Media container |
| Description | The Matroska Multimedia Container is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows. | MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet.MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet. |
| Technical details | Matroska is similar in concept to other containers like AVI, MP4, or Advanced Systems Format (ASF), but is entirely open in specification, with implementations consisting mostly of open source software. | Most kinds of data can be embedded in MPEG-4 Part 14 files through private streams. A separate hint track is used to include streaming information in the file. The registered codecs for MPEG-4 Part 12-based files are published on the website of MP4 Registration authority (mp4ra.org). |
| Associated programs | VLC Media Player | Windows Media Player, RealPlayer, MPlayer, Media Player Classic, VLC Media Player, K-Multimedia Player |
| Wiki | https://en.wikipedia.org/wiki/Matroska | https://en.wikipedia.org/wiki/MPEG-4_Part_14 |