MeshFormat

BREP Converter

Open CASCADE's native solid modelling format. Convert BREP files into other formats, all inside your browser.

  • Private by designFiles stay on your device.
  • No queueConversion starts instantly.
  • No sign upNo account, no limits per day.

What is BREP?

BREP is the on disk form of an Open CASCADE shape: exact topology and geometry with no application metadata. FreeCAD and CAD tools built on OCCT use it as a lossless internal exchange format.

Typical uses

  • FreeCAD interchange
  • OCCT based tooling
  • Exact solid transfer

Supported by

  • FreeCAD
  • Open CASCADE
  • CadQuery
  • Salome

Format details

Extensions
.brep, .brp
Full name
Open CASCADE Boundary Representation
Category
CAD / solid modelling
Encoding
Plain text
MIME type
model/brep
Direction
read

Questions

What is a .brep file?

BREP is the on disk form of an Open CASCADE shape: exact topology and geometry with no application metadata. FreeCAD and CAD tools built on OCCT use it as a lossless internal exchange format.

Which applications use BREP?

FreeCAD, Open CASCADE, CadQuery, Salome all work with .brep files.

Can I export to BREP?

Not yet. BREP is supported as an input format, so you can convert BREP files into any of the supported output formats.

Are there limits with BREP?

BREP is supported as an input only.

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