Technical MIME Specification & Web Server Guide
image/avif
Technical overview, official IANA specification, header magic bytes, and server configuration snippets for .AVIF files (AV1 Image File Format).
File Extension
.avif
Content-Type Header
image/avif
Format Category
Images
Standard Specification
AOMedia AVIF Spec
Description & Usage
Next-generation image format based on AV1 video keyframe encoding.
HTTP Server Content-Type Configuration Code
# Nginx mime.types configuration for .avif
types {
image/avif avif;
}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 .avif files is "image/avif". Web servers use this header to instruct browsers how to render or process .avif data.