Originally Posted by taimychoo
Is there a way to open a .pdf file ON waterfox (i.e new tab?), because right now it's forcing me to open Acrobat Reader when I click on .pdf. Didn't have this problem before on FF. Made an account just to ask this question cause it's been bothering me haha...
And I made this account just to tell you that it is possible, hah! I read this thread and was wondering the same thing: Can I open a PDF in my 64-bit browser (Waterfox)?
But it depends on the program. I've used Nitro PDF Reader and Adobe Reader, but both of those only have 32-bit browser plugins. But I've also used PDF-XChange Viewer, which does
have a 64-bit program version. But back when I used it, I was still using 32-bit Firefox, so I didn't know if it had a 64-bit plugin or not. So I went and re-installed it, just to see if it would install the browser plugin for Waterfox. Sure enough, it did!
So, if you want to view PDFs in Waterfox, so far the only program I know of that will install the 64-bit plugin is the 64-bit version of PDF-XChange Viewer. If there are any others, let me know. The website is
I apologize if I come across as "advertise-y" but I'm quite excited about this, partly because I didn't know about this before (you learn something new every day!), and partly because it's working!