Ready for upload.
Files stay in your browser for preview.STL → OBJ tool
STL to OBJ Converter Online
Unlock STL tools once for $1.90 to convert compatible STL geometry to an OBJ mesh locally in your browser.
Sign in, then unlock this viewer once for $1.90. Files stay in your browser; VIP also includes viewer access plus advanced workflows.
Unlock large files, conversion, HD screenshots, recording, AR, and XR experiences.
About this 3D converter
Convert compatible STL files to OBJ online when you need a browser-friendly 3D asset for web pages, product previews, real-time scenes, or simple sharing. Processing happens locally in your browser; source-format features that OBJ cannot represent may not transfer.
Why convert STL to OBJ?
Convert compatible STL geometry to a compact, browser-friendly OBJ when you need easier web sharing, product previews, or real-time 3D delivery. This page previews the imported result before download.
What is preserved in the STL to OBJ conversion?
The export focuses on compatible geometry and supported materials or animation data. Source-specific CAD history, application metadata, avatar settings, or unsupported effects may not transfer, so always review the downloaded OBJ file before publishing.
Private browser processing
After sign-in and the one-time $1.90 format unlock, compatible conversion runs locally in your browser. Your source file is not uploaded to a conversion server by this workflow.
STL workflow with Cura, PrusaSlicer, Blender, and CAD software
Use this browser preview on Windows, macOS, or Linux to check an STL exported from Blender, Fusion 360, Tinkercad, or another CAD tool. Then open the model in Cura, PrusaSlicer, Bambu Studio, or your chosen slicer for printer-specific settings and repair checks.
How to use this STL converter
- Sign in and unlock this conversion once.
- Choose a compatible STL file from your computer.
- Preview the tessellated or imported result, then download the exported OBJ file.
Convert this format
Preview before converting
Explore STL file tools
Explore this tool category
STL converter FAQ
How do I convert STL to OBJ online?
Unlock this STL to OBJ converter once, choose a compatible source file, then preview and download the result in your browser.
Why convert STL to OBJ?
OBJ is a web-friendly format for browsers and real-time 3D workflows. The conversion makes compatible geometry easier to preview and share.
Are all source-format features preserved?
Not always. Source formats can contain application-specific materials, metadata, CAD precision, or avatar data that a web-ready export cannot retain. Review the result before publishing.
Do I need to install a STL to OBJ converter?
No. This compatible STL to OBJ conversion runs in a current browser after sign-in and the one-time format unlock.
Will every STL feature appear in the exported OBJ?
Not necessarily. Review geometry, scale, orientation, materials, textures, and animations after export because source-specific data may not have a OBJ equivalent.
Can I preview an STL from Cura, PrusaSlicer, or Blender?
Yes. Upload a compatible STL exported or downloaded from those workflows for a visual browser check. Use the slicer itself for supports, wall thickness, profile settings, and final print preparation.
Is STL to GLB conversion processed online?
Compatible conversion is processed locally in your browser. Your source model is not uploaded to a conversion server by this workflow.
What should I check after converting STL?
Open the exported GLB and review geometry, scale, orientation, materials, and any animation before using it in a production scene or web page.
Is this STL converter a subscription?
No. The format unlock is a one-time $1.90 purchase; VIP members can also access the tool.