URL to PDF

  
Hello,
I need to convert a screen directly to PDF.
I just want to pass the URL and it should give me a PDF copy of the screen.
I managed to do it with this component http://www.winnovative-software.com/html-To-Pdf-Converter.aspx but need to know if anyone knows a FREE one.

Most of the free components I've found create the pdf step-by-step : you have to "say" you need a new page, new table, new paragraph, etc.

What I need is a "on the fly" convertion of the whole page.
Thanks,
Nelson