Using Desktop and Laptop it is easy to convert any webpage to pdf. But in Android/Windows phone it is not easy to convert webpage to pdf. So this websites are helpful to do your work.
  • Open you Web Browser and type www.htmlpdf.com 
  • Enter the URL address of the web page you want to convert to a PDF.
  • Adjust the options as you wish, then click the button Get PDF!.
  • then save your pdf file in your Computer.
Here are so many websites like this,