Printet allows you to convert web pages to PDF.
Printet is an online service and Web API which allow you to convert HTML pages to PDF. Printet chrome plugin lets you convert any web page to a PDF file and either download the file or push it to your Dropbox account.
Sign up now for a free account at https://printet.io and start converting HTML pages to PDF. Once you register, go to profile page and copy your API key to plugin option page. If you want to push PDF files to your Dropbox account, just associate it with your Printet account from Profile/Connected Accounts