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The .mp4 extension denotes a digital multimedia container. It is the industry standard for web-based video due to its high compatibility across virtually all modern devices, including smartphones, gaming consoles, and smart TVs.

: MP4 files typically use the H.264 or H.265 (HEVC) codec for video compression, allowing high-quality playback with relatively small file sizes. 645342 mp4

: Due to its efficient compression, MP4 is the preferred format for major platforms like YouTube, Facebook, and Instagram. Why the Numerical Name? but also audio

: These files can store not just video, but also audio, subtitles, and still images within a single container. 645342 mp4