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.
Frequently Asked Questions
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.