Technical MIME Specification & Web Server Guide
video/webm
Technical overview, official IANA specification, header magic bytes, and server configuration snippets for .WEBM files (WebM Video File).
File Extension
.webm
Content-Type Header
video/webm
Format Category
Video
Standard Specification
IANA Registered Standard
Description & Usage
Open web video format backed by Google using VP8/VP9 or AV1 video codecs.
HTTP Server Content-Type Configuration Code
# Nginx mime.types configuration for .webm
types {
video/webm webm;
}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 .webm files is "video/webm". Web servers use this header to instruct browsers how to render or process .webm data.