eshan-ravuri/gltf-transform

glTF Transform is a JavaScript/TypeScript SDK for reading, editing, and writing glTF 2.0 3D models, providing fast and reproducible low-level control of 3D model data. It's designed for developers who need to programmatically manipulate 3D assets, such as bundling, splitting, optimizing models, or applying quick fixes, and is suitable for both offline workflows and web applications.