Technical MIME Specification & Web Server Guide
video/mp4
Technical overview, official IANA specification, header magic bytes, and server configuration snippets for .MP4 files (MPEG-4 Part 14 Video).
File Extension
.mp4
Content-Type Header
video/mp4
Format Category
Video
Standard Specification
RFC 4337 / ISO/IEC 14496-14
Description & Usage
Universal digital multimedia container format for video, audio, and subtitles.
HTTP Server Content-Type Configuration Code
# Nginx mime.types configuration for .mp4
types {
video/mp4 mp4;
}OS Compatibility Matrix
Windows
macOS
Linux
Android
iOS
Want to test header signatures or binary files?
Run binary magic byte inspection in Magic Byte Detector.
Preguntas frecuentes
Respuestas claras a las preguntas más habituales.
The official MIME content type for .mp4 files is "video/mp4". Web servers use this header to instruct browsers how to render or process .mp4 data.