I usually reach for PDFGear when I need serious PDF editing. It's the best free PDF editor hands down. But it's not the lightest viewer around and feels crowded with features when you just want to ...

Switch from Adobe Acrobat to Okular, a fast, free PDF reader with powerful annotation tools, no ads, no subscriptions, and support for multiple file formats.

Picking out the perfect PDF reader can be strangely difficult. I mean, PDFs have been around for donkey's years now, and there are plenty of PDF readers out there to pick from. However, you'll usually ...