Filetram is a free web service that will help you to search files online. It will help you to search audio, video, images etc. It will search lots of file sharing website and provide downloading link for download files. Files sharing website includes rapidshare.com, megaupload.com, mediafire.com, 4shared.com, hotfile.com etc. It doesn’t require any sign up.
You can simply search files in filetram, it provide search for relevant results with a keyword. You can search files through its size.