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.
STP is simply the shorter file extension used for STEP (ISO 10303) files on filesystems that historically limited extensions to three characters; the underlying format and exact CAD geometry are identical to .step.
Frequently Asked Questions
STEP File (STP) is a 3D file format. STP is simply the shorter file extension used for STEP (ISO 10303) files on filesystems that historically limited extensions to three characters; the underlying format and exact CAD geometry are identical to .step. Common use cases include: CAD, Engineering.