On my Nexus 7 running Android, I've installed Firefox. One thing I really love about it, is that it enables me to save websites as PDF right out of the box. Now I'd like to do the same thing in Firefox on my Ubuntu 12.04LTS desktop. Do I need an extension for this, and if so, can someone recommend one?
I know I can Print to PDF, but that's not entirely the same.
Tools -> Add-ons
in the search bar just input the word "pdf". There you should be able to look at available addons related to pdf files and to your question, just choose the one that best suits your needs.