MP4 is one of the most widely used video formats, known for its excellent balance between video quality and file size. It’s compatible with almost all media players and devices, making it ideal for streaming, sharing, and storing videos. MP4 files can contain video, audio, subtitles, and images in a single container.
MP3 is an audio format that can compress and encode an audio file. It uses the lossy compression algorithm to contain audio data. The lossy compression helps to reduce the data significantly without losing audio quality. MP3s are created using different bit rates maintaining the original quality.