Need to make notes in a PDF, or perhaps correct a few typos or reorganize the pages? Here are the tools and tips you need.

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, ...

The Preview app in macOS lets you view, search, print, and perform other actions on PDF files. But if you just need a new PDF with specific pages, you don’t have to monkey around much at all. In ...