WinScan2PDF is a very simple and portable freeware application which allows you to scan documents and save them on your computer as a PDF by using any installed scanner. The application uses the installed scanner on your machine and converts the document to a PDF file. This is handy for users who want to email document as PDF. The interface is very simple and you can easily convert the scanned documents to PDF.
With this scan to PDF, you don’t need a PDF printer driver or some other complex programs installed.