When somebody sends you a document as an attachment, don't just open it. Use the free tool Dangerzone to scrub it clean of ...

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.

A built-in Linux app simplified my entire PDF workflow overnight.

The new update improves the latest reading features, including PDF transferred via USB, text selection, highlights, notes, ...