Is it free to convert between IGS and STEP?

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

.igs

.step

IGS vs STEP

Compare IGES File and STEP CAD File formats — understand the key differences and when to use each

Format Overview

IGS

IGES File

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

.igscad

STEP

STEP CAD File

STEP CAD File (.step) is a cad file format.

.stepcad

IGS vs STEP: Feature Comparison

Feature	IGS	STEP
Full Name	IGES File	STEP CAD File
File Extension	.igs	.step
Category	cad	cad
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use IGS vs STEP

Use IGS when you need:

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

Use STEP when you need:

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

Convert Between Them

IGS STEP STEP IGS

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Frequently Asked Questions

What is the difference between IGS and STEP?

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

Can I convert IGS to STEP for free?

Yes! Convert999 lets you convert IGS to STEP 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, IGS or STEP?

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

IGS Converter

Convert from IGS

STEP Converter

Convert from STEP

File Tools

Compress, resize, merge

Convert to IGS

All sources → IGS

Convert to STEP

All sources → STEP

Format Statistics

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Feature

IGS