Creating a professional slideshow in PDF format is ideal for printing and distribution purposes. For example, when you print a slideshow that includes digital images, the PDF format retains the visual ...

Gimp is normally used to create or manipulate images files, but can also work with PDFs if you understand how it works and what it's limits are. If you’ve never used Gimp—a free image editor available ...

Make the most of the built-in Mac app. It can edit PDFs, remove backgrounds from photos, and more. Image: D. Griffin Jones/Cult of Mac You might only use the Mac’s built-in Preview app when you need ...