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.

You can add a variety of file types, including PDFs, text files, images, Word, Excel, and PowerPoint documents. The app converts all the files into PDF format before combining them.

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

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 ...

If you need to edit PDF on iPhone in a hurry, you can do so without having to install any new app. Just use the native Files app. Let's show you how.

Just like how you add inked signatures on a hard-paper document, you can also add an electronic signature to your PDF document in the Edge browser.

A watermark is a semi-transparent image that usually contains a logo or seal to identify who created a document or image. If you want to watermark a PDF file, you can either insert the watermark ...