Free online 3D file converter — convert your OBJ to STL format in seconds
Drag & drop your OBJ file here or click to browse
Max. size 50MB
Transform your 3D model from OBJ to STL in three simple steps
Select the OBJ file you want to convert from your computer, Google Drive, or OneDrive. You can also drag and drop it directly into the upload area.
Choose STL as your desired output format. Our 3D converter will handle the rest automatically.
Click "Export" and download your converted STL file in seconds. Your 3D model is ready to use.
Understanding the key differences between OBJ and STL helps you choose the right 3D format for your workflow
| Feature | OBJOBJ | STLSTL |
|---|---|---|
| File Extension | .obj | .stl |
| Geometry Data | Supported | Supported |
| Color Support | Supported | Not supported |
| Texture Mapping | Supported | Not supported |
| 3D Printing Compatible | Supported | Supported |
| Animation Support | Not supported | Not supported |
OBJ is a widely supported 3D model format that supports vertex positions, texture coordinates, normals, and materials via companion MTL files. It is ideal for editing and rendering workflows.
The Stereolithography (STL) format stores surface geometry as triangulated mesh data. It is the universal standard for 3D printing but lacks support for colors, textures, and materials.
Converting OBJ to STL enables compatibility with 3D printing, rapid prototyping, and slicer software. Upload your Wavefront OBJ file and get a Stereolithography file ready for download in seconds.
Everything you need to know about converting OBJ to STL
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