This is my simple way to edit PDF files on mobile for free. I use the Microsoft 365 app to turn a PDF into a Word document, make my changes, and then save it back as a PDF. It works on both iPhone ...

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 sign a PDF in Google Drive using the Drawings tool in Google Docs and third-party add-ons such as DocHub and Adobe Acrobat.