Adobe's free PDF reader has long been a standard for handling its extremely popular document format, but you aren't limited to using it to view your PDF files. Let's take a look at five of the most ...

The best free PDF reader apps do more than just act as a PDF viewer - any modern browser can do that. What I'm looking for is tools that go beyond that, offering commenting, collaboration, and ...

My team and I put the best free PDF editors to the test - and these are the top picks I've ever used. They're all completely free to use, whether you're creating a PDF file from scratch or modifying ...