A video player is a software application or hardware device that allows users to play video files. It can support various formats, such as MP4, AVI, and MKV, enabling playback of movies, shows, and other video content. Video players often come with features like play, pause, rewind, and fast forward, making it easy to control the viewing experience. Many modern video players also include additional functionalities, such as subtitles, playlists, and streaming capabilities. Popular examples of video player software include VLC Media Player and Windows Media Player. Hardware video players can be found in devices like DVD players and smart TVs.