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 ...

Mozilla's latest version of Firefox conveniently includes a built-in PDF viewer. If you prefer your own PDF viewer, here's how to change it. Ed Rhee, a freelance writer based in the San Francisco Bay ...

A built-in PDF viewer component based on JavaScript and HTML5 Web technologies has been added to the beta version of Firefox 19, Mozilla said Friday. The browser maker described the built-in PDF ...

Firefox users, the wait is finally over. Now you can read PDFs in the browser without needing a plugin. Firefox 19 also adds startup performance improvements, new features for developers, and the ...