Free IFC to GLB converter
Convert IFC to GLB for web and AR.
Share a building model on the web or walk through it in AR. Drop an IFC2x3 or IFC4 file and get a GLB scaled to metres and turned Y-up, ready for three.js, model-viewer or Unity.
Why convert IFC to GLB?
Web and AR viewers load GLB natively and quickly. Converting locally avoids uploading confidential project models to an online service.
How to convert IFC to GLB
- Choose your IFC file above, or drag it onto the box.
- Check that GLB is selected. You can switch to any other output.
- Select Convert. The file downloads straight away. Nothing is uploaded.
Good to know
- BIM properties aren't included. Only the geometry is converted.
- Large models produce large GLBs. Compress them afterwards with gltf-transform if load time matters.
What converts, and what doesn't
- Every output is a triangle mesh. STEP and IFC solids are tessellated for display, so the result is not an editable solid or B-rep.
- When the source names its parts (STEP and IFC assemblies, for example), they become named groups in OBJ. STL, PLY and GLB hold a single combined mesh.
- Colours and materials are not carried over.
- Coordinates keep the source units, except GLB, which is scaled to metres when the source declares its units.
Frequently asked questions
Is my file uploaded?
No. The file is read and converted by the Caddis engine running inside your browser tab. It is never sent to a server, so confidential drawings stay on your device.
Is it really free?
Yes. There's no account, watermark, page limit or daily quota. The converter runs on your own computer, so it costs us nothing per file.
Need to measure or mark up the drawing too?
The same engine powers the free Caddis viewer on the web and on iPhone. Open DWG, DXF, STEP and STL files, measure, and add markup, all on your device.
More free CAD tools
Universal CAD converterDWG version checkerDWG to DXFDWG to PDFDWG to SVGDWG to PNGDXF to PDFDXF to SVGDXF to PNGDXF to R12 DXFSTEP to STLSTEP to OBJSTEP to GLBSTL to OBJOBJ to STLSTL to GLBPLY to STLIFC to OBJSLDPRT to STL