MP4 is a popular digital multimedia format used for storing video and audio files. It allows for high-quality playback while keeping file sizes relatively small, making it ideal for streaming and downloading. Many devices, such as smartphones, tablets, and computers, support MP4, ensuring that users can easily access their favorite movies, music videos, and other content. One of the key features of MP4 is its ability to store multiple types of data, including subtitles and still images, alongside the audio and video. This versatility makes it a preferred choice for content creators and consumers alike, as it enhances the overall viewing experience while maintaining compatibility across various platforms and devices.