ModelText-based

`model/gltf+json`

glTF (JSON)

Reference for model/gltf+json, the MIME type for glTF 3D model files in JSON format, the JPEG of 3D.

MIME Type Detector

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Expected extensions: .gltf

HTTP Content-Type Header

HTTP Header

Content-Type: model/gltf+json; charset=utf-8

Associated File Extensions

.gltf

Quick Facts

MIME Type	model/gltf+json
Category	Model
Type	Text-based (human-readable)
Extensions	.gltf

Common Usage

glTF (GL Transmission Format) is the standard format for 3D models on the web and in real-time applications. The JSON variant contains scene structure, materials, animations, and references to external binary buffers and textures.

Used by Three.js, Babylon.js, AR/VR apps, and game engines.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.gltf" type="model/gltf+json">

<!-- Or for script/media elements -->
<script type="model/gltf+json" src="file.gltf"></script>

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('model/gltf+json');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'model/gltf+json' });

nginx

# nginx.conf — add to types block or use default
types {
    model/gltf+json  gltf;
}

# Or set for a specific location
location /api/ {
    default_type model/gltf+json;
}