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 ...

With Reader-Plus.com, users simply drag and drop their PDF files to immediately view, edit, save, collaborate, and form fill PDFs within their browser.

This well-designed and easy-to-use free PDF viewer lets you mark up and create PDFs. Adobe’s popular PDF format makes files look great and Adobe’s free Reader lets everyone look at the files ...

PDF-XChange viewer should get an "Oscar" for having the best PDF viewer usability features yet. A few weeks ago, in Foxit Reader 3.0 released, now it's even easier to read PDF documents I ...

The best PDF software for you may not be the free program from the company that's synonymous with PDFs.

Smaller than Adobe Reader and a bit more versatile than Foxit Reader, Nuance PDF Reader might be just the PDF viewer -- and converter -- you've been looking for. And it's a freebie.

Gmail's integrated software-free PDF viewer has received a nice upgrade courtesy of Google Docs. Now opening up a PDF in Gmail won't fire up your native PDF viewer (like the slow-to-load Adobe ...

The PDF viewer you choose is really dependent on what you need to do with the PDFs you download, but when it comes to viewing and editing PDFs, PDF-XChange Editor is the best program around. [jump ...

Note: The free PDF reader is quite functional and can also merge, split, edit, or lock PDFs. However, signatures are only possible in the red color.

Looking for the best free PDF reader apps? My team and I put the top-rated software to the test and my my recommendations for viewing PDF documents online, on your desktop, and on mobile devices ...