Does the model leave my machine?

No. The conversion runs as a local browser job and the model is not sent anywhere.

Will colours or textures appear in the OBJ?

No. STL stores geometry only, with no colour, texture or material data, so the OBJ contains the same untextured mesh. Add materials in your editor.

Up to 50 MB per file. Larger models need a desktop conversion tool.

GLB to OBJ, GLB to STL, OBJ to GLB, and STL to OBJ.

One file per run. Load the next model once the current conversion is downloaded.

Convert STL to OBJ locally when geometry needs a more editable mesh exchange format.

Browser-only, private

Convert STL to OBJ locally for a more editable mesh format.

Convert the geometry in the browser, then open the OBJ in the modelling tool you use.

Pick the source file
Choose a STL file up to 50 MB. The file is read locally in the browser tab instead of being uploaded.
Check the target format
Leave the target on OBJ. The converter supports GLB to OBJ, GLB to STL, OBJ to GLB and STL to OBJ.
Convert the model
Press Convert model to write an OBJ mesh you can open in Blender, Maya or another editor to retopologise, unwrap or add materials.
Download and continue
Save the converted file to disk before closing the tab; it is not kept anywhere else. Open it in the viewer to confirm the shape.

1
Does the model leave my machine?
No. The conversion runs as a local browser job and the model is not sent anywhere.
2
Will colours or textures appear in the OBJ?
No. STL stores geometry only, with no colour, texture or material data, so the OBJ contains the same untextured mesh. Add materials in your editor.
3
How large can the source file be?
Up to 50 MB per file. Larger models need a desktop conversion tool.
4
Which conversions are available here?
GLB to OBJ, GLB to STL, OBJ to GLB, and STL to OBJ.
5
Can I convert several models at once?
One file per run. Load the next model once the current conversion is downloaded.

Quick tips

STL input is geometry-only, so OBJ output will not gain materials that were never in the source.
Use this when a modeling tool accepts OBJ more smoothly than STL.

Convert common GLB, OBJ, and STL model files locally in the browser for 3D handoff workflows.

Convert GLB to OBJ locally for Blender, Maya, mesh editing, CAD review, or handoff.

Convert GLB to STL locally for geometry-only 3D printing checks, slicers, and manufacturing review.

Convert OBJ to GLB locally for compact browser-ready preview, game handoff, or TripoSplat review.