Recommended PDF Viewer for Firefox. The newer versions of Firefox include a PDF viewer enabled by default when you install or upgrade the browser.

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.

Take a look at some free PDF Reader software for Windows. The Portable Document Format (PDF) is a file format created by Adobe Systems for document exchange.

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 ...