MeshFormat

IGES Converter

The legacy CAD surface exchange format. Convert IGES files into other formats, all inside your browser.

  • Private by designFiles stay on your device.
  • No queueConversion starts instantly.
  • No sign upNo account, no limits per day.

What is IGES?

IGES predates STEP and is still produced by older CAM and CAD systems. It excels at surfaces and curves rather than solids, so imported models sometimes arrive as loose surface patches instead of closed volumes.

Typical uses

  • Legacy CAD archives
  • CAM surface machining
  • Mould and die data

Supported by

  • CATIA
  • NX
  • SolidWorks
  • Mastercam
  • FreeCAD

Format details

Extensions
.igs, .iges
Full name
Initial Graphics Exchange Specification
Category
CAD / solid modelling
Encoding
Plain text
MIME type
model/iges
Direction
read

Questions

What is a .igs file?

IGES predates STEP and is still produced by older CAM and CAD systems. It excels at surfaces and curves rather than solids, so imported models sometimes arrive as loose surface patches instead of closed volumes.

Which applications use IGES?

CATIA, NX, SolidWorks, Mastercam, FreeCAD all work with .igs files.

Can I export to IGES?

Not yet. IGES is supported as an input format, so you can convert IGES files into any of the supported output formats.

Are there limits with IGES?

IGES is supported as an input only.

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