WinPDF

WinPDF is professional PDF creation software. It installs a virtual printer named "Easy PDF Creator", which enables users to create PDF files and convert existing documents into PDF format though the print command offering PDF paper size, resolution, orientation, compatibility, fonts embedding, live hyperlink, embedded images, formulas, tables, figures, 40-bit and 128-bit encryption, document metadata, usage control, password protection, automatic output and batch conversion.

Freeware, no watermarks, no pop-up.