Learn how to add page numbers to PDF files using free online tools or PC software. You can set position, font, etc., for page numbering.

How to Create and Apply a Watermark to PDF Documents. Adding a watermark to a company-related document helps ensure confidentiality or prohibit others from stealing the material. In addition to ...

Pick Save as PDF to choose a filename and destination, and you can even add password protection to the document if you want to. There's PDF functionality built right into Finder as well.

How to Footnote a PDF File. Adobe's PDF format has support for document footers. You can use this capability to add a footnote to up to three different areas at the bottom of a PDF document ...

You can delete pages from a PDF on a Mac using the Preview app. You can also add pages to a PDF in two ways with Preview.

Learn how to use one of Word 2013's most asked-for features: how to open and edit a PDF file in Word.