It also features abilities to add subtitles to MKV files, organize and operate the video/audio/subtitle tracks of MKV easily, loop or deinterlace MKV videos, etc. You can preview the MKV file you are downloading and experience a stable MKV video playback on your Mac, even it is damaged, incomplete, or unfinished. It accepts a wide range of formats, ranging from HD Matroska, QuickTime file format, MP4, OGG, AAC, to DVD, Blu ray, without having to install any extra codecs or filters. VLC is a world-famous cross-platform free media player running on Windows and Mac.