Is it free to convert between IGES and STEP?

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

.iges

.step

IGES vs STEP

Compare Initial Graphics Exchange Specification and STEP CAD File formats — understand the key differences and when to use each

Format Overview

IGES

Initial Graphics Exchange Specification

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

.igescad

STEP

STEP CAD File

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

.stepcad

IGES vs STEP: Feature Comparison

Feature	IGES	STEP
Full Name	Initial Graphics Exchange Specification	STEP CAD File
File Extension	.iges	.step
Category	cad	cad
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use IGES vs STEP

Use IGES when you need:

•Files in Initial Graphics Exchange Specification 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

IGES STEP STEP IGES

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Learn More About These Formats

IGES Converter STEP Converter

Frequently Asked Questions

What is the difference between IGES and STEP?

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

Can I convert IGES to STEP for free?

Yes! Convert999 lets you convert IGES 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, IGES or STEP?

It depends on your use case. IGES (Initial Graphics Exchange Specification) 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.

IGES Converter

Convert from IGES

STEP Converter

Convert from STEP

File Tools

Compress, resize, merge

Convert to IGES

All sources → IGES

Convert to STEP

All sources → STEP

Format Statistics

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