I needed today to convert some archive files from one format to another and while searching for the way how to do it fast and efficient without losing any content from them I have found one site that I have seen few times before.
Site name is Media convert.
On it you can online and free convert anything to anything.
You can convert sound files, video files, archives, documents, images and so on.
Number of formats that are supported is really huge.
Anyway from today on it will be in my top used bookmarks.