Matroska is usually found as .mkv files (Matroska video), .mka files (Matroska audio), .mks files (subtitles) and .mk3d files (stereoscopic/3D video). It is also the basis for .webm (WebM) files.

"Matroska" is derived from matryoshka (Russian: матрёшка [mɐˈtrʲɵʂkə]), the Russian name for the hollow wooden dolls, better known in English as Russian nesting dolls, which open to …

Feb 1, 2021 · Download Matroska for free. Matroska is an open standard audio/video container format. Visit our homepage at http://www.matroska.org

Nov 23, 2025 · Learn about the Matroska Multimedia Container (MKV) format, its history, design, and technical structure, and how it compares to the popular MP4 format.

Matroska Matroska is an audio/video container, often found with the .mkv extension. It is also the basis of the WebM container. The IETF standards repositories can be found at …

An open-source multimedia container format that holds multiple audio, video, photo and subtitle tracks. Software players for Windows, Mac, Linux and smartphones are available to play …

What is Matroska? Matroska is a project to create a container format that can hold an unlimited number of video, audio, picture, or subtitle ...

Matroska is free and open source! Matroska is a container format for storing or streaming video and audio files. The Matroska format has many features, such as a DVD-style menu system. …

MKV stands for "Matroska Video". Matroska is a container file format, capable of holding unlimited number of video, audio and subtitile tracks, along with any metadata.

Matroska/матрёшка is an extensible open standard audio/video container format for various video and audio codecs. Matroska is based on EBML, a binary variation of XML.