Simply upload your file using the converter above, select STP as the output format, and click convert. The conversion happens instantly in your browser — no uploads needed.
What file formats can be converted to STP?
You can convert 6+ formats to STP, including DWG, DXF, DGN, STEP, IGES and more. Browse the full list of supported source formats above.
Is converting to STP free?
Yes, Convert999 is 100% free with no limits. Convert as many files to STP as you need — no registration, no watermarks, no hidden fees.
Is my data safe when converting to STP?
Absolutely. All conversions happen locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.