A batch bi-directional DWG and DXF converter and File version converter.
BS Editor: Active DWG DXF Converter allows you to Batch convert DWG Files into DXF files and vice versa without AutoCAD. It is also a AutoCAD drawing File Version converter, supports both low to high and high to low conversion. Active DWG DXF Converter Supports version from AutoCAD R3 to latest version AutoCAD 2009. Features: Convert DWG to DXF, DXF to DWG in batches; AutoCAD DWG DWG Version Conversion; Command Line Supported ; Very simple to Converter DWG2DXF.
you can free download DWG DXF Converter 3.34 now.