Install Add-on

The add-on can be installed as an extension or as a legacy add-on in Blender versions older than 4.2.

Install Node.js and glTF-Transform

To use advanced glb/gltf optimization, we need to install an external library called glTF-Transform. It offers a lot of sophistiated functions to improve file size and performance.

Export and Optimize

To export your model the Blender file needs to be saved first. Then change the settings to your liking and press export. With the glTF-Transform enabled, you now have the options to choose the texture compression, texture size and compression method along with some scene tools to flatten hierarchy, join all meshes that don't have animations or even reduce the polycount by simplifying the mesh.