Preview is one of those useful apps that we all use but we don’t really know. As its name states, it previews lots of graphical file types and it implements (meaning that opens, mainly) Apple’s version of Adobe PDF specification. Is that kind of apps so well thought…well, guess what, it comes directly from OPENSTEP, NeXT’s operating system. But this post is not about Preview but about the capability not only of opening but also creating PDFs from multiple PDF (or image) files.
