The MKV (Matroska Video) format is a versatile and open multimedia container format that can store multiple audio, video, and subtitle streams within a single file. MKV files use various video and audio codecs, providing flexibility in terms of content and compression methods. Known for its high-quality support for high-definition video and audio, MKV has gained popularity for storing and distributing digital content, especially in the realm of high-quality video playback and online streaming. Its open nature and support for a wide range of codecs contribute to its widespread use in multimedia applications.