ModelBinary

`model/gltf-binary`

glTF Binary (GLB)

Reference for model/gltf-binary, the MIME type for binary glTF 3D models packaging everything in a single file.

MIME Type Detector

Drop a file to detect its MIME type — no upload, runs in your browser

📄

Drop any file here or click to choose

Expected extensions: .glb

HTTP Content-Type Header

HTTP Header

Content-Type: model/gltf-binary

Associated File Extensions

.glb

Quick Facts

MIME Type	model/gltf-binary
Category	Model
Type	Binary
Extensions	.glb

Common Usage

GLB is the binary version of glTF, packaging the JSON scene description, binary geometry data, and textures into a single file. It is preferred for web delivery due to its single-request loading.

Used in AR Quick Look, Google Search 3D, e-commerce product views, and WebXR.

Code Examples

HTML

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

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

Node.js

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

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

nginx

# nginx.conf — add to types block or use default
types {
    model/gltf-binary  glb;
}

# Or set for a specific location
location /api/ {
    default_type model/gltf-binary;
}