PDFCreator is a free program that allows you to convert documents from any program that has the option of printing to PDF format. The conversion is done by "printing" the documents to a virtual printer installed by the program called PDFCreator. The application is very easy to use, and the whole process of conversion is performed practically automatically, during the conversion you should provide only the data that will be hidden in the file, i.e.

the title of the document, date and the name of the author. PDFCreator contains Ghostscript, a PostScript interpreter, which is essential for its operation.