Skip to main content
Convert999
FormatsAll ConvertersCompareUse CasesToolsBlog
Converter
Convert999

Free online file converter supporting 400+ formats. Fast, secure, and private.

Product

  • All Converters
  • Formats
  • Compare
  • Use Cases
  • Tools

Resources

  • About
  • Blog
  • Security
  • Glossary
  • Statistics
  • Changelog
  • Contact

Legal

  • Privacy Policy
  • Terms of Service

© 2026 Convert999. All rights reserved.

Made with for the web

HomeFormatsSTP
.stp

STP Converter

Convert STEP CAD File files online for free — no upload, no registration, 100% private

CAD Files format
Choose Files

or drag and drop files here

Max file size: 2GB

Your files are processed locally in your browser. Nothing is uploaded to any server.

What is a STP file?

STEP CAD File (.stp)

STEP CAD File is a cad file format with the extension .stp.

Extension: .stpCategory: CAD Files

Convert from STP

Convert your STEP CAD File files to other formats

STPDWGSTPDXFSTPDGNSTPSTEPSTPIGESSTPIGS

Convert to STP

Convert other files to STEP CAD File format

DWGSTPDXFSTPDGNSTPSTEPSTPIGESSTPIGSSTP

Frequently Asked Questions about STP

What is a STP file?
A STP file is a cad format with the extension .stp. STEP CAD File files are widely used in digital workflows for creating, sharing, and storing cad content.
How do I convert STP files for free?
Use Convert999 to convert STP files for free directly in your browser. Simply upload your file, select the target format, and click convert. No installation or signup required.
Is it safe to convert STP files online?
Yes! Convert999 processes all files 100% locally in your browser. Your STP files are never uploaded to any server, ensuring complete privacy and security.
What formats can I convert STP to?
Convert999 supports converting STP to 6+ formats including DWG, DXF, DGN, STEP, IGES and more. Browse the full list above.

Explore STP

STP Converter

STP → all formats

Convert to STP

All sources → STP

CAD Files

All cad formats

File Tools

Compress, resize, merge

Other CAD Files Converters

.dwgAutoCAD Drawing.dxfDrawing Exchange Format.dgnMicroStation Design.stepSTEP CAD File.igesInitial Graphics Exchange Specification.igsIGES File