IGES and IGS are the very same format, so it is no need to convert them. You can just rename the extension should you need it, but programs that work with IGES format (.igs, .iges) should recognize it with any commonly used extension for this format.
Convert IGES 3D exchange format to IGES 3D exchange format.
We found 22 software records in the database related to .igs to .iges file format conversion.
Microsoft Windows software - convert igs to iges on Windows
Leading 2D and 3D CAD development software from Autodesk
Convert from igs file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned igs to iges. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A 2D and 3D CAD construction software
A CAD and Gerber conversion software
A 3D model converter
A 3D modelling software
A CAD converter with huge format support
A dedicated 2D/3D CAD software
A widely-used 3D animation application from Autodesk
Apple macOS / Mac OS X software - convert igs to iges on OS X
Mac version of popular Autodesk AutoCAD software
Multiplatform software - convert igs to iges on any platform
An open source multiplatform 3D CAD/MCAD/CAx/CAE/PLM modeler