if you have access to Revit, "Purge Unused" elements before uploading to the converter to reduce file size.
Not a direct "converter," but allows you to open RFA files and take measurements or screenshots without Revit. Rfa To Dwg Online Convert
Most browser-based converters act as cloud engines that process Revit’s complex data structures into simplified vector lines. A simple, free drag-and-drop interface. if you have access to Revit, "Purge Unused"
Hit the "Convert" button and wait for the cloud server to process the geometry. Download: Save the resulting .dwg file to your local drive. ⚠️ Key Challenges and Limitations if you have access to Revit