On-line PDF

PDF (Portable Document Format) is a file format that has captured all the elements of a printed document as an electronic image that you can view, navigate, print, or forward to someone else. It is an industry standard to create and share secure documents across the web or among your team members. Once a PDF document is created, it cannot be edited. Adobe PDF solves many common file-sharing problems, from preserving the look-and-feel of the original document to allowing anyone, on any platform, to view and print documents. To view and use the files, you need the free Acrobat Reader, which you can easily download. Once you've downloaded the Reader, it will start automatically whenever you want to look at a PDF file.

PDF files are created using Adobe Acrobat or similar products which require license which means you need $. Recently, there have been some websites that offer this service free of charge: creating PDF documents on-line.

I found 2 sites that offer free service of converting various documents to PDF format:
1. http://www.primopdf.com/

2. http://www.gohtm.com/

Adobe Reader can be downloaded from http://www.adobe.com/products/acrobat/readstep2.html