STEP AP203/AP214 - ISO 10303 standard for parametric 3D CAD exchange (alternative .step extension). Convert any file to STP for free — no registration, no watermark, high-quality output.
Yes. GoConvertFile converts to STP completely free — no registration, no watermarks, and no file size limits on standard conversions.
You can convert 29 source formats to STP, including STL, OBJ, GLTF and many more listed above.
Files are processed securely and removed after conversion. Your uploads are never shared, and no account is required.