Free GLB to PLY Converter
Lightning-fast GLB to PLY conversion — 100% in your browser. Your files never leave your device. Free, no watermark, no sign-up.
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Supports GLB, GLTF, OBJ, STL, FBX, PLY
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No GLB file? Generate one with AI.
Skip the search — generate a model from text or an image, then convert it to GLB or any other format in one workflow.
Generate → convert — all on fast3d.org.
GLB vs PLY
See what transfers when converting between these two formats.
Converting GLB to PLY will lose: Textures, Materials, Animation, Rigging.
| Feature | GLB | PLY |
|---|---|---|
| Geometry | ||
| Textures | ||
| Materials | ||
| Animation | ||
| Rigging |
Why convert GLB to PLY?
Photogrammetry and 3D scanning workflows
PLY is the native format for RealityCapture, Metashape, and Open3D. Convert GLB outputs from AI generators to feed them into scan-cleanup pipelines.
Vertex-color preservation
Unlike STL, PLY stores per-vertex color. Useful when you want a single-file mesh with baked colors but no texture images.
Research and ML pipelines
PLY is the default mesh format for many computer-vision datasets and machine-learning frameworks (PyTorch3D, Open3D, trimesh).
Tips for GLB → PLY
Vertex colors replace textures
PLY has no texture image support. Fast3D bakes the diffuse color into per-vertex color attributes — resolution is limited by mesh density.
Binary PLY is smaller
PLY comes in ASCII and binary variants. Binary is roughly 4x smaller and loads faster in downstream tools. Fast3D exports binary PLY by default.
Animation and materials are dropped
PLY carries only geometry, vertex colors, and normals. Skeletons, skin weights, and PBR materials do not survive the conversion.
Open in MeshLab for inspection
MeshLab, CloudCompare, and Blender all read PLY natively. Use MeshLab to verify vertex colors transferred correctly.
Common issues when converting GLB to PLY
Vertex colors look blocky or low-resolution
Fix
PLY vertex colors are limited by mesh density — sparse meshes produce blocky colors. Increase the polygon count of the source GLB, or stay with GLB if you need crisp texture detail.
Model appears black in some viewers
Fix
The viewer may not support PLY vertex colors. Try MeshLab or Blender — both render vertex colors correctly. Some older CAD tools only read the geometry portion of PLY.
File does not import into slicer
Fix
Many slicers prefer STL over PLY. If you are 3D printing, convert to STL instead — PLY is rarely the right choice for printing workflows.