Is it free to convert between DGN and IGS?

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

.dgn

.igs

DGN vs IGS

Compare MicroStation Design and IGES File formats — understand the key differences and when to use each

Format Overview

DGN

MicroStation Design

MicroStation Design (.dgn) is a cad file format.

.dgncad

IGS

IGES File

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

.igscad

DGN vs IGS: Feature Comparison

Feature	DGN	IGS
Full Name	MicroStation Design	IGES File
File Extension	.dgn	.igs
Category	cad	cad
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use DGN vs IGS

Use DGN when you need:

•Files in MicroStation Design 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

DGN IGS IGS DGN

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Frequently Asked Questions

What is the difference between DGN and IGS?

DGN (MicroStation Design) and IGS (IGES File) are both cad file formats. DGN files use the .dgn extension while IGS uses .igs. They differ in compression, quality, compatibility, and intended use cases.

Can I convert DGN to IGS for free?

Yes! Convert999 lets you convert DGN 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, DGN or IGS?

It depends on your use case. DGN (MicroStation Design) 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.

DGN Converter

Convert from DGN

IGS Converter

Convert from IGS

File Tools

Compress, resize, merge

Convert to DGN

All sources → DGN

Convert to IGS

All sources → IGS

Format Statistics

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Feature

DGN

IGS

Full Name