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.

Different formats can also make managing several documents cumbersome. Combining these documents into a single PDF file may be helpful for personal or professional use, to deliver simplified, ...

How to Add Comments to a PDF With Acrobat Reader. PDF files enable you to share and comment on content created in a wide range of applications.

So in the Safari web browser, for example, you can turn any webpage into a PDF by choosing File and then Print, and then selecting the PDF option (lower left).

Step 2: Drag your PDF files into the "Merge PDFs" box or click the "Select Files" button to add files.