How to convert SLDPRT to IGES
- Add your .SLDPRT file - drop it in the box above or click to browse.
- Convert it to .IGES in a few seconds.
- Download your new .IGES file.
What to expect
- Feature history is not exported - sketches, parametric dimensions, and the SOLIDWORKS feature tree do not transfer; the recipient receives only the final solid geometry.
- IGES is an older standard than STEP; if the receiving system accepts both formats, STEP is the better choice for reliability and completeness.
- Imported IGES surfaces may have small gaps or missing faces - always verify the geometry in the receiving software before sending to manufacturing.
Frequently asked questions
Do I need SOLIDWORKS to convert SLDPRT to IGES?
No. Autodesk Fusion 360 (free for personal use) imports
.sldprt files directly and exports IGES, and our free online converter also handles this without any CAD software installed.What is the difference between `.igs` and `.iges`?
They are identical -
.igs is the legacy three-letter extension and .iges is the full extension, and both are accepted by any IGES-capable tool.Can I convert a SOLIDWORKS assembly (`.sldasm`) to IGES the same way?
Yes, the same Save As > IGES workflow works for
.sldasm in SOLIDWORKS, but the assembly structure and constraints are not preserved - only the merged geometry is exported.Will the converted IGES file open in older CAD software?
In most cases yes, since IGES was designed as a neutral exchange format, though very old tools may struggle with certain surface types.
Programs that convert SLDPRT: SolidWorks · CrossManager · 3ds Max (3D Studio Max) · Alibre Design Professional · PolyTrans|CAD+DCC · TransMagic · Autodesk Inventor · EnSuite
