Most Popular PDF Extensions in Firefox Add-ons

Firefox offers thousands of add-ons for user. It’s a fast and free way to surf the web with Mozilla Firefox.
The next we introduce 4 Most Popular PDF Extensions in Firefox Add-ons.

No.1-PDF Download-530,192users
https://addons.mozilla.org/en-US/firefox/addon/pdf-download/
The most powerful of the bunch, PDF Download allows you to do just about anything imaginable. View PDFs in Firefox as HTML, automatically control how the browser handles the PDF format, and also convert any web page to a PDF you can save for later.

No.2-PrintPDF-74,976users
https://addons.mozilla.org/en-US/firefox/addon/printpdf/
Due to Apple people already having the “print to PDF” feature, this extension (which allows you to do just that) is for Windows and Linux users. Print any page to a PDF file, and save on some paper!

No.3-PDFescape Extension-36,427users
https://addons.mozilla.org/en-US/firefox/addon/pdfescape-extension/
PDFescape is a free PDF editor and PDF form filler. Using this extension allows you to quickly open PDF files online inside of PDFescape , Firefox users no longer need Adobe Reader or any other PDF reader. PDFescape is able to edit PDF files, fill out PDF forms, add form fields and hyperlinks to files, print & view PDF files, rearrange pages, completely remove pages from files, and much more.

No.4-Pdfit-24,253users
https://addons.mozilla.org/en-US/firefox/addon/pdfit/
This oddly named add-on gives you the ability to convert the current page to an image or PDF formats. You can also apply some image filters, such as rotate or reflection, to give your conversion a little style.

In additional, some new tips from Doremisoft.com:
1.How to Break Security from Password Protected PDF
2.How to Create a PDF Slideshow for Website

More Solutions for PDF files Viewing Problems on browser

Sometimes we will suffer the next problems when we click directly to open the pdf files that downloaded from website.

Situation 1. A blank page on the browser.

For this, maybe Acrobat or Reader can't read the PDF file.

Situation 2. A red X icon

The reason is that the web browser isn't configured correctly with the Adobe PDF Browser plug-in.

Situation 3. A broken object link (for example, a red square, a blue triangle, or a blue circle)

The problem may be that the web server on which the PDF file is stored can't serve the PDF file.

Situation 4. An Error,"The Adobe Acrobat/Reader that is running cannot be used to view PDF files in a web browser. Adobe Acrobat/Reader version 8 or 9 is required. Please exit and try again."

From adobe forum, if you are using a 64-bit version of the Internet Explorer browser, will have this problem.

Try these solutions first

Attempt the following solutions in order.

• Open a local copy of a PDF in the web browser

• Download the PDF again

• Try a different website

• Delete temporary Internet files

• Deselect and then reselect the Display PDF In Browser preference

• Restart your computer and try opening the PDF again

• Install the latest version of Reader or Acrobat

• Remove multiple versions of Reader or Acrobat, and then reinstall

• View the PDF in a 32-bit version of the web browser

More info you could view here.

And also if you have some problems on how to convert pdf, create pdf and edit pdf, Doremisoft PDF Solution maybe solve your problems.