Convert OBJ to PLY Online
Convert Wavefront OBJ files to Polygon File Format (PLY), entirely in your browser. No upload, no sign-up. Your files never leave your device.
Drop your OBJ files here
Select your .obj file along with its .mtl and texture files (up to 100 MB)
Suzanne with baked texture — demonstrates OBJ + MTL + texture conversion.
PLY handles both polygon meshes and raw point clouds natively. Converting from OBJ opens the door to point cloud workflows in tools like MeshLab and CloudCompare.
PLY supports custom per vertex and per face properties such as confidence values, normals, and curvature. This extensibility makes it a staple in academic and scientific 3D research.
OBJ requires separate .mtl and texture image files for material data. PLY is a single self contained file with no companion files to manage or lose.
Also convert from OBJ
Other ways to get PLY
How to Convert OBJ to PLY
Upload your .obj, .mtl, and textures together for a complete conversion.
Upload OBJ + Materials
Drag and drop your .obj file along with its companion .mtl file and any referenced texture images. Including all source files ensures that material color information can be baked into per vertex colors in the PLY output.
Processing
Conversion runs entirely in your browser. Geometry and color data from the OBJ bundle are parsed and written into a PLY file with vertex positions, normals, and per vertex colors.
Download PLY
Get your ready to use PLY file immediately. The result can be opened in MeshLab, CloudCompare, Blender, and other tools that work with polygon meshes or point clouds.
Why convert OBJ to PLY?
OBJ is a general purpose ASCII 3D format from Wavefront Technologies that stores vertex positions, normals, texture coordinates, and face definitions. Materials live in a separate .mtl file and textures in additional image files. This multi file structure works for traditional modeling but is awkward for scanning, photogrammetry, and scientific visualization workflows that deal with dense vertex data and per vertex properties rather than texture mapped surfaces.
PLY (Polygon File Format) was developed at the Stanford Graphics Lab in the mid 1990s for storing data from 3D scanners. It natively supports per vertex colors, custom numeric properties, and both mesh and point cloud representations in a single file. Tools like MeshLab, CloudCompare, and Open3D treat PLY as a primary format. Converting OBJ to PLY consolidates your model into one file with vertex level detail, making it ready for scientific analysis, scan processing, and point cloud workflows.
Key advantages of PLY over OBJ
PLY embeds RGB color on each vertex, ideal for scans and photogrammetry without texture files.
PLY represents both meshes and raw point clouds, while OBJ is limited to polygon geometry.
Confidence, curvature, intensity, and other per vertex attributes can be stored as named fields.
PLY needs no companion .mtl or texture files, simplifying storage and data exchange.
MeshLab, CloudCompare, Open3D, and academic pipelines use PLY as a primary interchange format.