If you'd like advice on which is best for your specific 3D model, I can tell you.

: No registration required; simple drag-and-drop interface; deletes files after conversion for privacy.

Ensure the unit settings (metric/imperial) are consistent between the RFA file and the output DWG.

Follow these universal steps to convert your CAD files on any free online platform:

For , utilize the free web-based Autodesk Viewer .

For a without installing software, use CloudConvert or AnyConv .

AnyConv is a straightforward, web-based file converter that supports a massive library of formats, including CAD and BIM files.

Extremely fast upload speeds, no account required, completely free.

: Offers a free version for converting BIM data like Revit and IFC to other CAD formats without registration.

Maximum file size limit of 100 MB; contains ad placements on the webpage. 3. Vertopal