PDF Download: Save web pages as PDF no longer ask for help

Occasionally I want to save my favorite web pages in PDF format, which can be saved permanently, but where to find such a browser plug-in? ~ The answer is PDF Download, which is a free Software developed by the Nitro PDF Software team, is free for users to use, can help users to save the web page you want to save in PDF format ~ and support Firefox 2& 3,Flock 1 and IE 7& 8