We have found 2 software records in our database eligible for .dwfx to .jpg file format conversion.
There probably is no program that could directly convert Design Web Format files (.dwfx) as .jpg images, except for making simple printscreen. However, if you rename DWFX extension to ZIP, you can decompress the file and find a PNG preview image inside, which can be of course converted to JPG.
It is also likely that Autodesk software can open DWFX and export it as PDF, which can then be easily converted to JPG using any of the pdf to jpg conversion choices.
DWFX
Files with dwfx extension are pretty much always CAD files in Autodesk Design Web Format. These are used by various Autodesk applications for distribution and communication of rich design data to anyone who needs to view, review, or print design files.
JPG
Files with jpg file extension contain pictures, digital photos, and other bitmap images. It is one of the most common image formats used today.