BDIC - Chrome Dictionary File is a very good file extension that is good for Chrome. If you already have Google Chrome, then this is the perfect extension for you. It will not work otherwise. It consists of a dictionary of words that are mainly used by Chrome’s spell checker when it comes to finding out words that are not spelled correctly. With this extension, you will also be able to spell check in different languages. It definitely comes in handy when you need it the most. You will also be able to access this download online.