There are two ways to convert PDF to CAD: through manual or automatic tracing. As the name suggests, manual tracing will depend entirely on your input. That is, you have to open your PDF in a program and draw over it with an additional layer. You’ll trace over all the lines, shapes and text that you wish to convert.What is the best free PDF converter?
Slim PDF. A PDF reader that's super fast and super lightweight. Operating system: Windows. Only 1.43 MB in size. Loads extremely quickly. Can convert file types.