If you need to convert a TIFF to a JPEG or a DOC file to a PDF, Zamzar will help you get the job done.  The site converts text documents, music, photography and video files. Give it a try.

Need to get things in order? Todo.ly will help you organize your list of tasks, projects and things to do.

Back up important files using Box.net. The site offers both free and paid online backup service.