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HomeSTP vs IGS
.stp
.igs

STP vs IGS

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

Format Overview

STP

STEP CAD File

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

.stpcad

IGS

IGES File

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

.igscad

STP vs IGS: Feature Comparison

FeatureSTPIGS
Full NameSTEP CAD FileIGES File
File Extension.stp.igs
Categorycadcad
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use STP vs IGS

Use STP when you need:

  • •Files in STEP CAD File 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

STP IGSIGS STP
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Learn More About These Formats

STP Converter IGS Converter

Frequently Asked Questions

What is the difference between STP and IGS?
STP (STEP CAD File) and IGS (IGES File) are both cad file formats. STP files use the .stp extension while IGS uses .igs. They differ in compression, quality, compatibility, and intended use cases.
Can I convert STP to IGS for free?
Yes! Convert999 lets you convert STP 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, STP or IGS?
It depends on your use case. STP (STEP CAD File) 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.

STP Converter

Convert from STP

IGS Converter

Convert from IGS

File Tools

Compress, resize, merge

Convert to STP

All sources → STP

Convert to IGS

All sources → IGS

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG