Easiest way to create a pdf file:-

1. Create a document using MS WORD or HTML or a regular NOTEPAD.
2. Upload the file using google docs ( http://docs.google.com ). You can use your google account.
3. Save & Close the file.
4. Select the checkbox adjacent to the file name after the file is successfully uploaded.
5. Select 'Save as PDF' from 'More Actions' dropdownbox and create a pdf version of your file.

Thanks !!!