ImageBinary

`image/apng`

Animated PNG

Reference for image/apng, the Animated PNG format providing better quality animations than GIF with full color and transparency.

MIME Type Detector

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Expected extensions: .apng, .png

HTTP Content-Type Header

HTTP Header

Content-Type: image/apng

Associated File Extensions

.apng.png

Quick Facts

MIME Type	image/apng
Category	Image
Type	Binary
Extensions	.apng, .png

Common Usage

APNG extends PNG with animation support, offering millions of colors and full alpha transparency — advantages over GIF's 256-color limit. It is supported by all major browsers and used for high-quality animated images, loading spinners, and stickers where GIF quality is insufficient.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.apng" type="image/apng">

<!-- Or for script/media elements -->
<script type="image/apng" src="file.apng"></script>

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('image/apng');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'image/apng' });

nginx

# nginx.conf — add to types block or use default
types {
    image/apng  apng png;
}

# Or set for a specific location
location /api/ {
    default_type image/apng;
}