You can combine multiple PDF files into a single, easy-to-share document using simple software on your Mac computer or Windows PC. Here's how.

Three free software to extract images from PDF files. Download Some PDF Image Extract, Nitro PDF Reader or PDFMate PDF Reader covered here.

Learn how to use tools to create, annotate, and extract text from a PDF on a Chromebook.

Sometimes a PDF needs encryption. Sometimes it doesn't. Here's how and when you can remove unneeded encryption.