BBCode to HTML Converter
"This program will convert BBCode (Bulletin Board Code) to HTML. It's useful if you work on forums which support either BBCode or HTML and need to convert your "canned speeches" or if you have written something in bbcode that you would like to put on your website. You could also use it to preview your posts on boards that don't have that feature built in."
I have used it and it is simple and works. There is no spyware or anything bad associated with it. It is free. and can be found here.