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Updated September 2026
Desktop scene in. Apple AR zip out.
Open a Maya or Max FBX, preview what the browser loader kept, download USDZ for iPhone AR. FBX itself is not written. Prefer FBX to GLB for the web.
Source FBX, target USDZ, drop the .fbx, download .usdz.
1
Source is FBX. The File API reads it in this tab. Nothing is posted. Keep it under 80 MB.
2
The loaded FBX mesh is written as USDZ.
3
Open on iOS. Keep the original FBX for the DCC.
This page is only FBX → USDZ. Other pairs have their own keep and lose notes so they do not repeat this conversion.
| On this conversion | What happens |
|---|---|
| Keeps | Mesh the web loader attached, in a USDZ zip. |
| Drops | Maya-only graph bits. You cannot round-trip to FBX. |
| Next step | Quick Look. Web users wanted FBX to GLB. |
| Attribute | Result on the reference scene |
|---|---|
| Separate objects | Kept as 2 |
| UV coordinates | Kept |
| Vertex colour | Lost |
| Material names | Lost |
| Vertices on the reference scene | 72 of 48 |
| Mesh | Source | USDZ | Change | Vertices written |
|---|---|---|---|---|
| mug.glb | 880 KB | 2,927 KB | 3.3x | 150,000 |
| lion.glb | 8,768 KB | 30,487 KB | 3.5x | 1,496,202 |
FBX as the source: Imported here, then written as the target. FBX itself is not written. Measured 2026-09-13 by running this converter’s own loaders and exporters headlessly. How every format was measured.
FBX is parsed with the File API. USDZ is written in memory. Maya-only graph bits. You cannot round-trip to FBX. That is a format rule, not an upload. Files over 80 MB are refused because RAM is the limit.
Open a Maya or Max FBX, preview what the browser loader kept, download USDZ for iPhone AR. FBX itself is not written. Prefer FBX to GLB for the web.
Source FBX, target USDZ, drop the .fbx, download .usdz. No Blender and no account.
USDZ for Apple AR. GLB for the web. This product never writes FBX.
No. FBX is import only. The writers are GLB, glTF, OBJ, STL, PLY, and USDZ.
No. FBX is parsed here and USDZ is written in memory. There is no convert API.
Yes. Open the FBX viewer if you only need to orbit. Convert when the next tool actually wants USDZ.
Quick Look. Web users wanted FBX to GLB.
