Open-source might not be the first thing you think of with Windows, but these free tools can seriously boost your productivity.

Here's how you can modify, update and edit pdf files and pdf documents online for free or edit pdf files on Windows, Android, iOS (iPhone, iPad), Mac OS X, Linux, and BlackBerry 10 devices. Here's ...

PDF Assistant Pro is a user-friendly Windows 10 app that sports a user-friendly design, making it easy to work with pdf files.

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.

We've picked some of the best PDF and eBook reader apps for Windows 11/10 that top their category and provide awesome features inside.

This Is the Best App for Free, Offline PDF Editing Perfect if you need to quickly split, merge, or re-organize a PDF.

PDF Reader Pro is a free, lightweight Windows app that provides a basic set of tools for working with Adobe Acrobat documents in an unintimidating interface.

The app uses what Adobe calls "advanced image-processing technology" powered by Sensei, Adobe's artificial-intelligence and machine-learning arm, to take a photo and turn it into a PDF.