The newer versions of Firefox include a PDF viewer enabled by default when you install or upgrade the browser. There is no need to install an add-on or use an external application to open PDF files on ...

Developed 30 years ago by Adobe, the Portable Document Format, or PDF, is widely used around the globe for viewing and signing documents – everything from corporate annual reports and scientific ...

Talk about the best of both worlds: Nuance PDF Reader is a lightweight, feature-rich PDF reader for Windows that can also convert your PDFs to Word, Excel, or RTF formats. In other words, it can take ...

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 ...

Photo: Charlie Sorrel/Cult of Mac A month or so back I was searching for a PDF app that would use the native Files browser on the iPad, but add features not available in Files app’s built-in PDF ...

Whether you use a Mac or MacBook, the best PDF reader for Mac is a completely Apple-compatible app for viewing and annotating PDF documents. For most Mac users, Apple Preview is still the best PDF ...