Load CST CAD Navigator by clicking and run the application. To start your 30-day free trial period, press the Trial period button.
Go to the Settings panel and select PDF conversion settings.
Here you can set the following parameters:
Entities filling: enables to import hatches from a PDF file.
Layers: enables to save the original layers of a PDF file.
Texts: enables to import texts from a PDF file.
Images: enables to import images from a PDF file.
Index color for black: enables to convert the black RGB color (0,0,0) to the index 7 one (in order to make all the elements of a drawing visible when you change the background).
Go to the Tools panel and select PDF Conversion. In the opened window, you need to specify a path to your PDF file.
The tool is also available at the starting page of the application and on the Import panel.
If you use the trial period of CST CAD Navigator, you will have the following info window before the conversion start:
After reading it, press the Convert button and select a PDF file you need.
To convert without any limitations, you can order a year or lifetime license.
When your PDF file conversion is complete, go to the Export panel and select a file format you need (DWG, DXF, etc.) and click Save.