Convert to STEP

Convert any file to STEP CAD File format — free, fast, and private

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About STEP Format

STEP CAD File (.step)

STEP CAD File (.step) is a cad file format.

Convert to STEP from any format

Choose a source format below to convert to STEP CAD File

DWGSTEP DXFSTEP DGNSTEP STPSTEP IGESSTEP IGSSTEP

Frequently Asked Questions

How do I convert files to STEP?

Simply upload your file using the converter above, select STEP as the output format, and click convert. The conversion happens instantly in your browser — no uploads needed.

What file formats can be converted to STEP?

You can convert 6+ formats to STEP, including DWG, DXF, DGN, STP, IGES and more. Browse the full list of supported source formats above.

Is converting to STEP free?

Yes, Convert999 is 100% free with no limits. Convert as many files to STEP as you need — no registration, no watermarks, no hidden fees.

Is my data safe when converting to STEP?

Absolutely. All conversions happen locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

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STEP Converter

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STEP Format

About STEP CAD File

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Format Glossary

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