If you want to save any web page as pdf you only require chrome.Chrome will let you save any page as pdf.
Let's see how we can do this:
1) Open you web page in chrome.
2)Press ctrl+p.
3)Print dialog will open.In print dialog change destination to "Save As PDF"
4)Hit the print button.
Your web page will be saved as pdf.
Using above steps you can convert any file to pdf. You just have open that file in chrome.