A drawing or sketch of a building that is saved as a PDF file will be much easier to edit if you convert it first to AutoCAD drawing format. In fact, editing a drawing is near to impossible as long as it is still in PDF format. If you reluctant to purchase a converter software, you can convert PDF to AutoCad Drawing online for free with “Convert PDF to AutoCAD”.
“Convert PDF to AutoCAD” is a free online service that lets users easily convert a PDF file into Autocad compatible DWG and DXF formats. The usage is pretty simple as you can see from the screenshot. Just point it to your PDF file that needs to be converted and enter your email address. When the conversion has been completed, it will be sent to your email with the download link. Note that the converted file is stored 24 hours only in the server.
Visit “Convert PDF to AutoCAD”