A .MP4 file is a MPEG-4 Part 14 Video File associated with Audio & Video. Universal digital video container standard for streaming, broadcasting, and web playback.

How do I open a .MP4 file on Windows or Mac?

You can open .MP4 files using VLC Media Player, Windows Media Player. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .MP4 to a standard format in your browser.

Is a .MP4 file safe to open?

This format carries a safety rating of Low Risk. Global standard media format. Completely safe.

Can I convert a .MP4 file to other formats?

Yes! .MP4 can be converted to formats such as .MP3, .GIF directly in your web browser.

What should I do if a .MP4 file is corrupted or won't open?

If your .MP4 file displays an invalid header or signature error, check its magic bytes hex header (00 00 00 18 66 74 79 70 69 73 6F 6D (ftypisom)) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

Audio & Video • MIME: video/mp4

.MP4 – MPEG-4 Part 14 Video File

Universal digital video container standard for streaming, broadcasting, and web playback.

Primary Category Audio & Video

MIME Type video/mp4

Magic Bytes Signature 00 00 00 18 66 74 79 70 69 73 6F 6D (ftypisom)

Security Risk Rating Low Risk

Recommended Software to Open .MP4

VLC Media Player

windows, mac, linux, android, ios • Free

Windows Media Player

windows • Free