What is VLC Media Player, and what are its key features? One of the key advantages of using VLC is its ability to support a wide range of file formats, including MP3, MKV, and many others, thanks to its built-in codecs. The freeware supports multiple media types, including devices, discs, files, and streams, and works seamlessly with Audio CDs, DVDs, streaming protocols, and VCDs. VLC Media Player is a widely used software for playing audio and video files on various devices, including computers, laptops, mobile phones, and tablets.