Why convert USD to GLTF?
People convert usd to .gltf for the web and real-time viewers, where glTF/GLB is the standard delivery format for 3D on browsers, AR and engines. glTF keeps PBR materials, meshes and basic animation in a compact, widely supported package.
How to convert USD to GLTF
Blender FREE
Import the USD, then File > Export > glTF 2.0, choosing .glb for a single packed file or .gltf for separate assets, with Materials and Animation enabled.
usd2gltf OPEN-SOURCE
Install the usd2gltf package (pip install usd2gltf) and run it against your .usd to emit .gltf/.glb, converting meshes, UVs and animation.
NVIDIA Omniverse
Use Omniverse's converters/exporter, which support USD out to glTF, to write the stage as .gltf or .glb.
About these formats
A .usd file holds a 3D scene in Pixar's Universal Scene Description format, storing geometry, shading, and references to other assets that get composed into one scenegraph. The plain .usd…
Open .USD details →
.GLTF
GL Transmission Format
A .GLTF file is associated with GL Transmission Format, a 3d image file.
Open .GLTF details →Quality & what to watch
- USD composition (references, variants, instancing) is flattened into a single glTF scene graph.
- glTF supports only metallic-roughness PBR, so unusual USD/MaterialX shading networks are approximated or dropped.
- Some USD features (complex skinning, cameras, lights) may not survive; verify animation and materials in a glTF viewer after export.
Frequently asked questions
Can I get a single-file result?
.glb in Blender to pack geometry, materials and textures into one binary file for easy sharing on the web.Does guc convert USD to glTF?
guc tool goes the other way, glTF to USD. For USD to glTF use Blender, Omniverse or usd2gltf.
