The software Google's browser uses to show PDF files has been proprietary for years, but now it's an open-source project called PDFium that others can scrutinize or use themselves. Stephen Shankland ...

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 ...

Some software is so central to our work that its name becomes a synonym for the task itself, and for PDFs, that software is almost always Adobe Acrobat. We are often so stuck on this standard that any ...

This is to remind that a new version of Adobe Acrobat Reader with enhanced features for viewing, creating, editing, printing and internet-sharing PDF documents has been released. To upgrade your ...

Free PDF viewer with unique UI in terms of flat design and original layout. Annotate PDF with a complete set of tools, manage PDF files, connect to cloud services and even protect PDF with signature.

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. Why would you install a different utility app to view Adobe ...

Want to insert stamps into your PDF documents? A Stamp is a type of annotation that effectively conveys your intention regarding the document. These PDF Stamp Creator software let you put a stamp into ...

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. Edit digital files in a jiffy. Credit: PDF ...