STP File Converter

Convert to and from STEP File (STP) securely online. Fast, free, and no installation required.

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About STP Format

STEP File (STP) is a 3D file format used primarily for CAD and Engineering.

Alternative extension for the STEP CAD format.

Frequently Asked Questions

STEP File (STP) is a 3D file format. Alternative extension for the STEP CAD format. Common use cases include: CAD, Engineering.