MP4 to MKV Converter
Select files for conversion or just drag and drop them to the upload area
How to convert MP4 files to MKV online?
Click "Choose File" button to select a mp4 file on your computer. MP4 file size can be up to 50 Mb.
Convert MP4 to MKV
Click "Convert" button to start conversion.
Download your MKV
When the conversion process is complete, you can download the MKV file.
Information about MP4 and MKV file formats
|Full name||MP4 - MPEG-4 Part 14||MKV - Matroska|
|File extension||.mp4, .m4a, .m4p, .m4b, .m4r, .m4v||.mkv, .mk3d, .mka, .mks|
|MIME type||video/mp4||video/x-matroska, audio/x-matroska|
|Developed by||International Organization for Standardization||www.matroska.org|
|Type of format||Media container||Container format|
|Description||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.||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.|
|Technical details||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).||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.|
|File conversion||MP4 conversion||MKV conversion|
|Associated programs||Windows Media Player, RealPlayer, MPlayer, Media Player Classic, VLC Media Player, K-Multimedia Player||VLC Media Player|