Matroska

Matroska is a flexible, open-source container format used to store multimedia files like videos, audio, and subtitles in a single file. Think of it as a digital box that can hold different types of media layers, allowing for high-quality, organized playback. Commonly saved with the .mkv extension for videos, Matroska supports features such as multiple audio tracks, subtitles, chapters, and rich metadata. Its adaptability and open standards make it popular for distributing movies, TV shows, and multimedia projects across various devices and platforms.