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Updated August 2026
glTF scene in. PLY mesh out.
Some research and scan tools still ingest PLY. This route dumps the GLB mesh to binary PLY on the device. It is not a way to keep metallic-roughness textures. Vertex-level data the writer supports may survive. Prefer GLB to STL if the destination is a slicer.
Source GLB, target PLY, drop, download. Use GLB to STL instead if you are heading to a printer.
1
Source is GLB. The File API reads it in this tab. Nothing is posted. Keep it under 80 MB.
2
The in-memory mesh is written as binary PLY.
3
Open the PLY in the research tool. Keep the GLB if you still need materials.
This page is only GLB → PLY. Other pairs have their own keep and lose notes so they do not repeat this conversion.
| On this conversion | What happens |
|---|---|
| Keeps | Mesh faces for PLY-aware tools. |
| Drops | glTF PBR texture sets and a compact web pack. |
| Next step | Open in MeshLab or a scan pipeline. Print jobs should use GLB to STL. |
| Attribute | Result on the reference scene |
|---|---|
| Separate objects | Merged into 1 |
| UV coordinates | Kept |
| Vertex colour | Kept |
| Material names | Lost |
| Vertices on the reference scene | 48 of 48 |
| Mesh | Source | PLY | Change | Vertices written |
|---|---|---|---|---|
| mug.glb | 880 KB | 1,221 KB | 1.4x | 25,000 |
| lion.glb | 8,768 KB | 12,176 KB | 1.4x | 249,369 |
GLB as the source: Geometry only. Color and clips are dropped. Measured 2026-08-27 by running this converter’s own loaders and exporters headlessly. How every format was measured.
GLB is parsed with the File API. PLY is written in memory. glTF PBR texture sets and a compact web pack. That is a format rule, not an upload. Files over 80 MB are refused because RAM is the limit.
Some research and scan tools still ingest PLY. This route dumps the GLB mesh to binary PLY on the device. It is not a way to keep metallic-roughness textures. Vertex-level data the writer supports may survive. Prefer GLB to STL if the destination is a slicer.
Source GLB, target PLY, drop, download. Use GLB to STL instead if you are heading to a printer. No Blender and no account.
When the next tool is a research or scan app that speaks PLY. For Cura, PrusaSlicer, and most bureaus, use GLB to STL.
No. PLY from this converter is not a glTF pack. Keep the GLB if you still need the web look.
No. GLB is parsed here and PLY is written in memory. There is no convert API.
Yes. Open the GLB viewer if you only need to orbit. Convert when the next tool actually wants PLY.
Open in MeshLab or a scan pipeline. Print jobs should use GLB to STL.