There are so many free file hosting services that let you upload files from your computer. iOJ is one of these. iOJ allows you to upload files from your PC and Mac and share with your friends easily. It supports not only single file uploading but also multiple files uploading as well as screen casting (A feature from iOJ that captures up to 4 min and convert into .flv format). You can also upload your files to Rapidshare, MegaUpload, Sendspace and TinyPic from iOJ interface.