Technical MIME Specification & Web Server Guide

image/png

Technical overview, official IANA specification, header magic bytes, and server configuration snippets for .PNG files (Portable Network Graphics).

File Extension

.png

Content-Type Header

image/png

Format Category

Images

Standard Specification

RFC 2083 / W3C PNG

Description & Usage

Lossless image format supporting full alpha channel transparency.

HTTP Server Content-Type Configuration Code

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

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