3D Model Converters
Convert 3D models between all popular formats for Web, AR, 3D Printing, and CAD
Convert 3D models between OBJ, STL, GLB, GLTF, FBX, STEP and more — free and right in your browser.
Drop your files here
or click to browse
Supports 1000+ formats • Max file size: 100MB
Available Tools
3DM to 3MF
Convert Rhinoceros 3DM to 3D Manufacturing Format
3DM to DAE
Convert Rhino 3DM models to Collada DAE format
3DM to GLB
Convert Rhino 3DM models to GLB for web 3D
3DM to GLTF
Convert Rhino 3DM models to GLTF format
3DM to OBJ
Convert Rhino 3DM models to OBJ format
3DM to OFF
Convert Rhinoceros 3DM to Object File Format (OFF)
3DM to PLY
Convert Rhino 3DM models to PLY point cloud
3DM to STL
Convert Rhino 3DM models to STL for 3D printing
3DS to 3MF
Convert 3D Studio to 3D Manufacturing Format
3DS to DAE
Convert 3D Studio to Collada DAE format
3DS to GLB
Convert 3D Studio to GL Transmission Format Binary format
3DS to GLTF
Convert 3D Studio to GL Transmission Format format
About 3D Model Converters
Upload a 3D model above and choose the format you need for the web, AR, 3D printing, or CAD. Turn OBJ or FBX into compact GLB/GLTF for real-time viewers, export STL for your 3D printer, or convert STEP and IGES from CAD software — no heavy applications required. Conversions preserve geometry and run without a sign-up. Whether you're building a web experience, prepping a print, or moving between tools, every converter below is free, secure, and works on any device. Files are processed privately and removed automatically after conversion.
Game and web developers use GLB/GLTF as the standard for real-time 3D viewers and AR because it bundles geometry, materials, and textures into one compact file. Makers exporting to a 3D printer need STL or 3MF, while engineers moving between CAD packages rely on neutral formats like STEP and IGES to preserve precise geometry across different software. MiConvert bridges these workflows — for example turning a Blender OBJ export into GLB for a website, or a SketchUp model into STL for printing — without needing the original modeling application installed.
Frequently Asked Questions
How do I convert a 3D model?
Drop your model into the upload box above (or click to browse) and pick the target format. The converted file downloads automatically.
Is 3D conversion free?
Yes. All 3D converters are free with no sign-up required. Pro unlocks larger files and batch conversion.
Which format is best for the web or AR?
GLB and GLTF are ideal for web and AR viewers, while USDZ is best for Apple AR Quick Look.
Will my model's geometry and textures be preserved?
We keep geometry intact, and textures and materials are carried over wherever the target format supports them.
Are my files safe?
Yes. Files are transferred securely, processed privately, and deleted automatically after conversion.
What format do I need for 3D printing?
STL is the most widely accepted format for slicers and 3D printers. If your printer or slicer needs color/material data too, 3MF is a modern alternative that STL doesn't support.
Why do CAD files use STEP or IGES instead of OBJ?
STEP and IGES store precise, editable solid geometry used in engineering, while OBJ and STL only describe a triangulated surface mesh. Converting between them lets CAD data move into 3D printing or visualization tools and vice versa.