Convert OBJ 3D Model to STL 3D Model Online
Convert OBJ to STL online for free. Fast, secure file conversion with no registration required.
OBJ vs STL
| OBJ | STL | |
|---|---|---|
| Full Name | OBJ 3D Model | STL 3D Model |
| Category | 3D Model | 3D Model |
| MIME Type | model/obj | application/sla |
| File Extension | .obj | .stl |
| Max Upload | 100 MB | — |
How to Convert OBJ to STL
- Select your OBJ file using the upload area above
- Click "Convert to STL" to start the conversion
- Wait for the conversion to complete
- Download your STL file
About OBJ Format
OBJ (Wavefront Object) is a widely supported 3D model format that stores geometry, texture coordinates, and normals. It is a standard interchange format between 3D modeling and rendering applications.
About STL Format
STL (Stereolithography) is the standard file format for 3D printing. It represents 3D surface geometry as a mesh of triangles, without color or texture information. Supported by virtually all 3D printing software and services.
Frequently Asked Questions
Upload your OBJ file using the upload area above, then click "Convert to STL". The conversion starts automatically and you can download the result when it's ready.
Yes, FileCraft's OBJ to STL converter is completely free with no registration, watermarks, or hidden fees. You can convert as many files as you need.
Yes. Your files are processed securely and automatically deleted from our servers after conversion. We do not store, share, or access your files.
Most 3d model files convert in a few seconds. Larger files may take slightly longer depending on file size and complexity.
You can upload OBJ files up to 100MB for free conversion. For most use cases this is more than sufficient.