Category: Image
image/png
image/png is the standard raster graphics format supporting lossless data compression and full 8-bit alpha transparency.
MIME / CONTENT-TYPE
image/png
ASSOCIATED EXTENSIONS
.png
PRIMARY CATEGORY
Image
HTTP Headers & Web Server Configurations
Standard HTTP Response Header
Content-Type: image/pngSend this exact header in HTTP responses to instruct browsers how to decode and render the payload.
Node.js / Express / Web API
res.setHeader("Content-Type", "image/png");
fs.createReadStream("logo.png").pipe(res);NGINX Configuration (mime.types)
types {
image/png png;
}Apache (.htaccess / httpd.conf)
AddType image/png .pngSecurity Advisory & Hardening
PNG files have magic bytes: `89 50 4E 47 0D 0A 1A 0A`. Validate these magic numbers during file upload verification rather than trusting user-submitted extensions.
Frequently Asked Questions
image/png Questions & Answers
Common questions regarding MIME types, Content-Type headers, and web server configurations.
The standard HTTP response header is: "Content-Type: image/png".