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Convert brep to step

Free online BREP to STEP converter

How to convert BREP files to STEP format for CAD interoperability using FreeCAD and other tools.

Convert BREP to STEP online - free

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    Upload your .brep file

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How to convert brep to step file

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Understanding the BREP and STEP file formats

BREP (Boundary Representation) is a file format used in computer-aided design (CAD) to describe the geometry and topology of 3D objects. It stores information about surfaces, edges, and vertices, making it ideal for precise modeling and engineering applications.

STEP (Standard for the Exchange of Product Data), with the file extension .step or .stp, is an ISO standard (ISO 10303) for exchanging 3D CAD data between different software platforms. STEP files are widely used for interoperability in engineering and manufacturing workflows.

Why convert BREP to STEP?

Converting a BREP file to STEP format enables seamless sharing and collaboration across various CAD systems. STEP files are more universally supported, making them ideal for manufacturing, 3D printing, and collaborative engineering projects.

How to convert BREP to STEP

To convert a BREP file to a STEP file, you need CAD software that supports both formats. Here are the recommended steps using FreeCAD, a popular open-source CAD tool:

  1. Open FreeCAD.
  2. Go to File → Open and select your .brep file.
  3. Once the model loads, go to File → Export.
  4. In the export dialog, choose STEP with colors (*.step *.stp) as the file type.
  5. Click Save to export your model as a STEP file.

Best software for BREP to STEP conversion

  • FreeCAD (Windows, macOS, Linux) – Free and open-source, supports both BREP and STEP formats.
  • Autodesk Fusion 360 – Commercial software with robust import/export capabilities.
  • SolidWorks – Widely used in industry, supports BREP and STEP through its import/export tools.

Tips for successful conversion

  • Check the integrity of your BREP file before conversion to avoid errors.
  • After conversion, verify the geometry in the STEP file to ensure all features are preserved.
  • Use the latest version of your chosen software for best compatibility.

Note: This brep to step conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.

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BREP vs STEP: format comparison

How the BREP and STEP formats compare on the properties that matter most for this conversion.

Comparison of the BREP and STEP file formats
Property .BREP Boundary Representation .STEP Standard for the Exchange of Product model data
Dimensions 3D 3D
Geometry Both Both
Materials — Yes
Plain-text readable No Yes
Operating system support Wide Wide
Typical file size Medium Medium
Open standard Partly open Yes
Introduced — 1994
Developer — ISO
MIME type — application/step
Open BREP file Open STEP file

Frequently asked questions

Is the BREP to STEP converter free?

Yes, converting BREP to STEP on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.

How large can my BREP file be?

You can upload BREP files up to 500 MB and convert up to 5 files at once in a single batch.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert BREP to STEP?

No. The BREP to STEP conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid BREP file for this BREP to STEP conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

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Additional formats for
brep file conversion

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