STEP File Converter — Convert .STEP to STL & More

STEP is the ISO standard for exchanging 3D CAD data between software. Unlike mesh formats (STL, OBJ), STEP stores mathematical surface definitions (BREP) that a…

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Source Format

STEP (ISO 10303)

.step
3D Models & CAD

STEP is the ISO standard for exchanging 3D CAD data between software. Unlike mesh formats (STL, OBJ), STEP stores mathematical surface definitions (BR...

model/step
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Convert STEP to (1 formats)

Stereolithography
.stl
STL
.step

Select a Target Format

Choose one of the 1 output formats on the left to configure your conversion options.

Popular STEP Conversions

STEP→STL

What is a .STEP file?

STEP is the ISO standard for exchanging 3D CAD data between software. Unlike mesh formats (STL, OBJ), STEP stores mathematical surface definitions (BREP) that are fully editable in CAD programs like SolidWorks, Fusion 360, FreeCAD, and OnShape.

File Extension
.step
MIME Type
model/step
Category
3D Models & CAD
Output Formats
1 supported

Frequently Asked Questions

A .STEP file is a STEP (ISO 10303) format used in the 3d models & cad category. You can view the full technical details on this page, or convert it to another format using the tool above.