ApplicationBinary

`application/x-apple-diskimage`

Apple Disk Image

Reference for application/x-apple-diskimage, the MIME type for macOS DMG disk image files used for software distribution.

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Expected extensions: .dmg

HTTP Content-Type Header

HTTP Header

Content-Type: application/x-apple-diskimage

Associated File Extensions

.dmg

Quick Facts

MIME Type	application/x-apple-diskimage
Category	Application
Type	Binary
Extensions	.dmg

Common Usage

DMG files are the standard software distribution format on macOS. They are mountable disk images that can contain application bundles, installers, and other files.

When opened, macOS mounts them as virtual drives, often showing a drag-to-install interface.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.dmg" type="application/x-apple-diskimage">

<!-- Or for script/media elements -->
<script type="application/x-apple-diskimage" src="file.dmg"></script>

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('application/x-apple-diskimage');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'application/x-apple-diskimage' });

nginx

# nginx.conf — add to types block or use default
types {
    application/x-apple-diskimage  dmg;
}

# Or set for a specific location
location /api/ {
    default_type application/x-apple-diskimage;
}