Technical MIME Specification & Web Server Guide

image/heif

Technical overview, official IANA specification, header magic bytes, and server configuration snippets for .HEIF files (High Efficiency Image File Format).

File Extension

.heif

Content-Type Header

image/heif

Format Category

Images

Standard Specification

ISO/IEC 23008-12

Description & Usage

ISO standardized container for high efficiency single images and image sequences.

HTTP Server Content-Type Configuration Code

# Nginx mime.types configuration for .heif
types {
    image/heif    heif;
}

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 .heif files is "image/heif". Web servers use this header to instruct browsers how to render or process .heif data.