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.

Pariah Burke walks you through the process of adding, removing, and replacing pages in complex Acrobat Pro PDF files.

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.

Do you have multiple PDFs you need to merge into one? Making one PDF out of many is easier than you might think on both Windows PCs and Macs. Here's how to do it on each platform.

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