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 video players also offer additional functionalities, such as subtitle support, volume control, and video quality adjustments. Some popular video players include VLC Media Player, Windows Media Player, and QuickTime. These tools enhance the way users enjoy visual media on their devices.