SwifDoo supports basic PDF editing, but for a similar monthly fee, rival apps provide more advanced tools. The lifetime plan may be worthwhile for users with simple workflows, however. PDF editors ...

While Apple Preview may appear as a basic file viewer, it actually packs a ton of useful features—beyond just viewing photos and PDFs.

Microsoft Edge will get some powerful tools for viewing, marking up, and even signing PDF documents when the Fall Creators Update ships. Here's a rundown of what's new.

PDF Reader is a documentation viewer that can open and display PDF files. As well as being able to access said formats on Windows Phone, the app enables users to bookmark pages, manipulate zoom ...

Controlling PDF display in Web browsers (using Preview instead of Adobe Reader or vice versa, etc.); forcing Safari to download ...