The PDF file format has great support for text and video, as well as an efficient file size, making it a great format for all kinds of documents and data. It’s also excellent for preserving the ...

PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

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 ...