Free Online IFC to OBJ Converter
Convert IFC files to OBJ for web 3D. Preserve materials and animations for Three.js and Babylon.js. Free, fast, no sign-up.
How to Convert IFC to OBJ
Upload Your IFC File
Drag and drop your .ifc file onto the converter. The tool parses IFC geometry, materials, and animations.
Automatic Conversion
The converter transforms your IFC data into OBJ format, bundling geometry, materials, and textures into a single binary file.
Download Your OBJ
Once complete, download your OBJ file and use it in Three.js, Babylon.js, Google Model Viewer, or any web 3D viewer.
Why Choose Our Converter
Free & No Sign-Up
Convert IFC to OBJ for free with no registration, no watermarks, and no hidden costs.
Web-Ready Format
OBJ is the standard format for web-based 3D. The output loads natively in Three.js, Babylon.js, and Google Model Viewer.
Material Preservation
Materials and textures from the IFC file are transferred to OBJ with PBR-compatible properties.
Cross-Platform
Works on any device with a modern browser. No software installation required.
2 Ways to Convert IFC to OBJ
Pick based on whether you need quick conversion or full animation control.
Online IFC to OBJ Converter (This Tool)
Best for: quick, no-install conversion
- Drag and drop your .ifc file.
- Wait for the automatic conversion.
- Download the OBJ file.
Pros: Free, no software install, produces web-ready OBJ.
Cons: Requires internet. Some PBR material properties may need adjustment.
Blender (Free Desktop Software)
Best for: material and animation editing
- Open Blender and import IFC (File > Import > IFC).
- Verify materials and animations.
- Go to File > Export > glTF 2.0 (.glb).
- Click Export.
Pros: Free. Full control over material and animation export.
Cons: Requires installing Blender.
Quick Checks Before You Convert
IFC → OBJ transfers geometry, materials, and animations. Review these items for a clean conversion.
PBR Material Conversion
IFC uses a different material model than OBJ PBR (metallic-roughness). Some material properties may not map directly. Use Blender for precise material control.
Animation Transfer
IFC supports skeletal and morph animations. OBJ also supports these. Verify that animations transfer correctly after conversion.
Scale Units
IFC typically uses centimeters. OBJ uses meters. Check the model scale in your target viewer or engine after conversion.
Texture Embedding
IFC can embed textures or reference them externally. OBJ always embeds textures in the binary. Ensure textures are accessible during conversion.
IFC vs OBJ Format Comparison
| Feature | IFC | OBJ |
|---|---|---|
| Full name | Autodesk IFC | glTF Binary |
| Maintained by | Autodesk | Khronos Group |
| Structure | Proprietary binary | Open binary container |
| PBR materials | Limited | Yes (metallic-roughness) |
| Animations | Yes | Yes |
| Skeletal rigging | Yes | Yes |
| Web native | No | Yes (Three.js, WebGL) |
| License | Proprietary | Open (royalty-free) |
| Primary use | Game engines, desktop 3D | Web 3D, AR/VR, mobile |
| File size | Large | Compact (binary) |
Fixing Common Issues After Conversion
Typical errors after IFC → OBJ and how to resolve them.
OBJ materials look different from IFC
IFC and OBJ use different material models. Use Blender to import the IFC, convert materials to Principled BSDF (PBR), then export as OBJ.
Animations are missing or broken
Verify the IFC contains animation data. If animations don't transfer, use Blender to import, check the Action Editor, then export OBJ with animation export enabled.
Model scale is wrong in web viewer
IFC uses centimeters; OBJ uses meters. The scale should convert automatically, but verify in your target viewer. Adjust if needed.
OBJ file is very large
IFC files can be large due to embedded data. Use Blender's Draco compression in glTF export settings to reduce OBJ size by 50-90%.
What Is an IFC File?
IFC (Industry Foundation Classes) is an open standard for BIM (Building Information Modeling) data, maintained by buildingSMART. It stores building elements, geometry, materials, spatial relationships, and property data for architecture, engineering, and construction.
IFC vs OBJ: why convert?
IFC stores complex BIM data. OBJ stores simple mesh geometry. Converting IFC to OBJ extracts the 3D geometry from BIM models for use in visualization, rendering, and 3D editing software.
Last updated: August 2026. Format details reference the IFC specification and the OBJ file specification.
Frequently Asked Questions
How do I convert IFC to OBJ?
Upload your .ifc file using the converter above. The tool converts it to OBJ format automatically. Download the OBJ file when conversion is complete.
Is this IFC to OBJ converter free?
Yes, completely free. No registration, no watermarks, no hidden costs.
What is the difference between IFC and OBJ?
IFC is Autodesk's proprietary format for game engines and 3D animation. OBJ is the Khronos Group's open binary format for web 3D. IFC is desktop-oriented; OBJ is web-native.
Does converting IFC to OBJ preserve animations?
Both IFC and OBJ support skeletal animations and morph targets. Animation data should transfer during conversion. If animations are missing, use Blender to verify and re-export.
How do I convert IFC to OBJ in Blender?
In Blender, go to File > Import > IFC (.ifc). Then go to File > Export > glTF 2.0 (.glb). Click Export. Materials and animations transfer automatically.
Does IFC to OBJ preserve PBR materials?
Basic material properties transfer. IFC uses a different material model than OBJ PBR (metallic-roughness). Use Blender for precise PBR conversion via Principled BSDF.
Why convert IFC to OBJ?
OBJ is the standard for web-based 3D. If you need to display an IFC model in a web browser, Three.js, or Babylon.js, convert it to OBJ. OBJ is open, compact, and web-native.
Can I convert IFC to OBJ on Mac?
Yes. Our online converter works in any browser on macOS. You can also use Blender on Mac.
What software opens OBJ files?
OBJ files can be opened by Three.js, Babylon.js, Google Model Viewer, Blender, Microsoft Paint 3D, Facebook 3D Posts, and any glTF-compatible viewer.
Is IFC or OBJ better for web 3D?
OBJ is always better for web 3D. It is open, compact, and loads natively in browsers. IFC is proprietary and requires plugins or conversion for web use.
Are my files safe?
Yes. Files are processed securely and auto-deleted after conversion. We do not store your 3D models permanently.
Can I use the converted OBJ in Unity or Unreal?
Yes. Unity supports OBJ via the glTFast package. Unreal Engine supports OBJ via the glTF importer plugin. For native game engine support, IFC is still preferred.