Reduce upto ~90% of file size
Your dependable tool for compressing GLTF and GLB models quickly and effectively.
Improve fps by optimizing your model.
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50,000+ compressions and counting
Loading time
Compressing your GLTF and GLB models can significantly reduce loading times, making your applications faster and more responsive.
Improve fps
Optimized models lead to better performance in 3D scenes, resulting in higher frames per second (FPS) and a smoother user experience.
Wide support
Gltf has wide support, which makes it not only good for web but also for game engines.
Load anywhere
Whether you are using Unity, Unreal Engine, and other 3D engines, our compressed models are compatible.
Support
Please retry uploading at least once if you see an error.
For the fastest resolution, please use the feedback button if you have any questions or issues not covered in the FAQ.
Alternatively, you can contact me at support@optimizeglb.com or send a message to @antonyadhiban on x.com (formerly Twitter).
Why Choose OptimizeGLB?Updated
- Effective Compression Significantly decrease your file sizes, without losing quality and structure of the models.
- Quick Process Our tool is optimized for speed, getting your models ready in no time. (Paid version soon will provide instant conversions)
- Zero CostOptimizeGLB is free to use.OptimizeGLB is free to use for upto 10 conversions and requires an account.
- Built on a Strong Foundation Thanks to @donrmccurdy for creating gltf-transform, the conversion is well maintained and constantly up-to-date.
Enhance Your 3D Workflow
OptimizeGLB is the practical choice for developers, designers, and 3D artists looking to manage file size constraints efficiently. Our tool is here to support your projects in gaming, AR/VR, and beyond, facilitating quicker load times and smoother rendering.
Integrate our API Beta
The API is currently in beta. Available in our business plan.
Changelog
Stay updated with our latest changes and improvements.
Bulk upload and download
You can now upload multiple files at once. Either a folder or a group of files.
New Milestone. 10 paid customers.
Thanks to my first 10 customers. The tool will be improved based on the feedback you provide.
FAQ
Some of our most frequently asked questions.
If you have any questions that are not listed here, please use the feedback button for the fastest resolution.
Alternatively, you can reach out to me at support@optimizeglb.com or dm on X (@antonyadhiban).
Documentation
API documentation for OptimizeGLB
How to use the API ?Updated
Anyone using the old API should update to the new one. The old key will not work anymore.
Headers
Authorization: Bearer `YOUR_API_KEY_HERE`
Content-Type: application/jsonname, fileUrl, textureFormat, textureSize, and advanced options
textureFormat options: webp | jpeg | png | avif
default option is webp
textureSize options: 512 | 1024 | 2048 | 4096
default option is 2048
dedup: boolean (Remove duplicate vertices)
prune: boolean (Remove unused vertices)
draco: boolean (Apply Draco compression)
simplify: boolean (Simplify geometry)
simplifyRatio: number (0-1, only if simplify is true)
instance: boolean (Instance duplicate meshes)
flatten: boolean (Flatten node hierarchy)
join: boolean (Join compatible meshes)
weld: boolean (Weld vertices)
A binary stream of the compressed GLTF file or an error message
Example code
const options = {
method: 'POST',
headers: {
'Content-Type': 'application/json',
Authorization: 'Bearer <YOUR_API_KEY_HERE>'
},
body: JSON.stringify({
name: "<YOUR_NAME>",
fileUrl: "<YOUR_FILE_URL_HERE>",
textureFormat: "webp",
textureSize: "2048",
dedup: true,
prune: true,
draco: false,
simplify: true,
simplifyRatio: 0.5
})
};
fetch('https://optimizeglb.com/api/compress', options)
.then(response => response.json())
.then(response => console.log(response))
.catch(err => console.error(err));