With the PDF being one of the most versatile formats, more and more users choose it when it comes to sharing their documents. Once a file is converted to a PDF format, it becomes viewable on almost all popular platform, notwithstanding a program a particular user utilizes for viewing documents. Oftentimes, users ask what it is the best browser for viewing PDF files, since not all popular browser are equally good at accessing contents of PDF files. We’d like to draw your attention to Mozilla Firefox, the browser that features a built-in PDF viewer enabling your quickly open and view PDF documents found on the Internet without any additional plug-ins. If you often deal with PDF files and want to save yourself time of installing multiple PDF reading programs or search for the website to view a required file online, just get the Firefox download for a PC and go on reading our article, where we’ll tell you how to quickly and effortlessly view PDF files in this browser.

Using Built-In PDF Viewer

Once you download and install Firefox on your PC, you can start utilizing the built-in PDF viewing feature right away. It’s enabled by default in your browser.

Toolbar Functions

You can also avail yourself of a wide range of PDF Viewer toolbar functions.

You can take advantage of the Thumbnail option to quickly view the whole document. To do it, open a sidebar by clicking the slider button (see the image below). Thus, you’ll be able to see the thumbnails of your files’ pages.

You can also try out the outline view option, provided that your document supports it. By doing so, you’ll be able to familiarize yourself with a document’s structure and content and quickly navigate to a specific page. Both the thumbnail and outline options can come in handy when dealing with a long PDF document.

Page Up/Down

You can also use the Page Up and Down buttons to navigate to the page that interests you. Furthermore, you can land on a specific page by entering the number of the page that interests you.

Tweaking the Size

If you’re not satisfied with the default size of the fond and images of your document, you can easily change the characteristics by pressing the “+” and the “-” to zoom in and out, respectively.

Check out Fullscreen Mode

Let us draw your attention to more advanced features offered by Firefox’s built-in PDF viewer. The viewer can display your active file using the whole screen. All you need to do to start viewing your PDF document in the Fullscreen mode is to click the Fullscreen button. As usual, you’ll need to hit Escape to exit the selected mode.

Print the Document

Should you want to print out the pages of the PDF file you found online, you should locate the Printer icon on the toolbar. Once you do it, the document will be ready for printing, specify the number of the page you want to print.



Feel free to change any other setting in the print setup dialog window.

Download Documents

Firefox’s PDF viewer also makes it much easier for you to download required files. Just select the “Download” to save a specific PDF file to your PC in the blink of an eye. Once the file is downloaded, you’ll be able to manually select the program wherewith you want to view or edit the file’s content.

Copy Current View

If you need to open the current view in another tab in your browser, click on the “Current View” icon.

Using Other PDF Reading Programs

If due to some reasons you find yourself dissatisfied with the default PDF viewer provided by Firefox, you can utilize any other PDF reader to manage your PDF documents. You can quickly disable the default viewer and use any other external program you find more appropriate by doing the following:
1. Navigate to the Firefox menu and select “Options” from there.
2. In the General panel, locate the “Application” section.
3. From the list of the available applications, select “Portable Document Format.”
4. In the Action section, click on the drop-down arrow. After that you’ll see “Preview in Firefox” option which is enabled only if you’re using the built-in PDF viewer.
5. In the Action section, choose the entry for a PDF viewer you want to utilize from now on. For instance, Use Foxit Reader.

In Conclusion

As you see, the possibilities provided by Mozilla Firefox are truly plentiful. Now you know how to manage your PDF files wherewith Firefox’s built-in PDF viewer more efficiently. Don’t stop and explore other functions and features of this superb browser!