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 ...

Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.

Adobe's portable document format (PDF) has become a standard for exchanging and distributing documents. PDF files look like the original document would look if it were printed, and can be read on just ...

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.

PDF Reader Pro is an easy-to-use PDF reader for Windows with basic editing functions. PDF Reader Pro is a free, lightweight Windows app that provides a basic set of tools for working with Adobe ...