DWG to PDF Converter Pro is a batch converter that allows you to convert DWG to PDF, and DXF to PDF without the need of AutoCAD. The Pro version supports command line.
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DWG to JPG Converter is a batch converter that allows you to convert DWG and DXF files to TIF (TIFF), JPG (JPEG), BMP, GIF, PNG, TGA, PCX, WMF and EMF without the need of AutoCAD.
Downloads: 84182 - Shareware - Download Now

Any PDF to DWG Converter batch converts PDF to DWG (DXF/CAD) format for fast and efficient editing in AutoCAD. It allows you to easy convert PDF to DWG and PDF to DXF without the need of AutoCAD. High quality, high performance and simple to use.
Downloads: 65512 - Shareware - Download Now

AutoCAD to PDF Converter batch converts AutoCAD DWG/DXF file to PDF without the need of AutoCAD.
Downloads: 72977 - Shareware - Download Now

DWG to DXF Converter is a batch DWG and DXF bi-directional converter that allows you to convert DWG to DXF, DXF to DWG without the need of AutoCAD.
Downloads: 57857 - Shareware - Download Now