Is it free to convert between DWG and IGES?

Yes, Convert999 is 100% free. All conversions happen locally in your browser with no file size limits, no registration, and no watermarks.

.dwg

.iges

DWG vs IGES

Compare AutoCAD Drawing and Initial Graphics Exchange Specification formats — understand the key differences and when to use each

Format Overview

DWG

AutoCAD Drawing

AutoCAD Drawing (.dwg) is a cad file format.

.dwgcad

IGES

Initial Graphics Exchange Specification

Initial Graphics Exchange Specification (.iges) is a cad file format.

.igescad

DWG vs IGES: Feature Comparison

Feature	DWG	IGES
Full Name	AutoCAD Drawing	Initial Graphics Exchange Specification
File Extension	.dwg	.iges
Category	cad	cad
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use DWG vs IGES

Use DWG when you need:

•Files in AutoCAD Drawing format for maximum compatibility
•Industry-standard cad format support
•Wide software and platform compatibility

Use IGES when you need:

•Files in Initial Graphics Exchange Specification format for specific workflows
•Optimized cad format features
•Modern format advantages and smaller file sizes

Convert Between Them

DWG IGES IGES DWG

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Frequently Asked Questions

What is the difference between DWG and IGES?

DWG (AutoCAD Drawing) and IGES (Initial Graphics Exchange Specification) are both cad file formats. DWG files use the .dwg extension while IGES uses .iges. They differ in compression, quality, compatibility, and intended use cases.

Can I convert DWG to IGES for free?

Yes! Convert999 lets you convert DWG to IGES completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.

Which is better, DWG or IGES?

It depends on your use case. DWG (AutoCAD Drawing) may be better for certain workflows, while IGES (Initial Graphics Exchange Specification) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.

Is it safe to convert files on Convert999?

Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

DWG Converter

Convert from DWG

IGES Converter

Convert from IGES

File Tools

Compress, resize, merge

Convert to DWG

All sources → DWG

Convert to IGES

All sources → IGES

Format Statistics

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Feature

DWG