Is it free to convert between DWG and IGS?

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

.dwg

.igs

DWG vs IGS

Compare AutoCAD Drawing and IGES File formats — understand the key differences and when to use each

Format Overview

DWG

AutoCAD Drawing

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

.dwgcad

IGS

IGES File

IGES File (.igs) is a cad file format.

.igscad

DWG vs IGS: Feature Comparison

Feature	DWG	IGS
Full Name	AutoCAD Drawing	IGES File
File Extension	.dwg	.igs
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 IGS

Use DWG when you need:

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

Use IGS when you need:

•Files in IGES File format for specific workflows
•Optimized cad format features
•Modern format advantages and smaller file sizes

Convert Between Them

DWG IGS IGS DWG

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Frequently Asked Questions

What is the difference between DWG and IGS?

DWG (AutoCAD Drawing) and IGS (IGES File) are both cad file formats. DWG files use the .dwg extension while IGS uses .igs. They differ in compression, quality, compatibility, and intended use cases.

Can I convert DWG to IGS for free?

Yes! Convert999 lets you convert DWG to IGS 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 IGS?

It depends on your use case. DWG (AutoCAD Drawing) may be better for certain workflows, while IGS (IGES File) 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

IGS Converter

Convert from IGS

File Tools

Compress, resize, merge

Convert to DWG

All sources → DWG

Convert to IGS

All sources → IGS

Format Statistics

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Feature

DWG

IGS

Full Name