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HomeSTP vs DWG
.stp
.dwg

STP vs DWG

Compare STEP CAD File and AutoCAD Drawing 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

DWG

AutoCAD Drawing

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

.dwgcad

STP vs DWG: Feature Comparison

FeatureSTPDWG
Full NameSTEP CAD FileAutoCAD Drawing
File Extension.stp.dwg
Categorycadcad
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use STP vs DWG

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 DWG when you need:

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

Convert Between Them

STP DWGDWG STP
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Learn More About These Formats

STP Converter DWG Converter

Frequently Asked Questions

What is the difference between STP and DWG?
STP (STEP CAD File) and DWG (AutoCAD Drawing) are both cad file formats. STP files use the .stp extension while DWG uses .dwg. They differ in compression, quality, compatibility, and intended use cases.
Can I convert STP to DWG for free?
Yes! Convert999 lets you convert STP to DWG 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 DWG?
It depends on your use case. STP (STEP CAD File) may be better for certain workflows, while DWG (AutoCAD Drawing) 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

DWG Converter

Convert from DWG

File Tools

Compress, resize, merge

Convert to STP

All sources → STP

Convert to DWG

All sources → DWG

Format Statistics

Trends & data 2025

More Format Comparisons

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