You can upload files using a web browser. This is very useful if you are traveling and need to upload a few files to your account on the go.
It is very simle. Just drag and drop a file or folder from your computer into the Jottacloud web application. You can also open a file dialog to select the files you want to upload from your computer, by clicking the Upload button in the web application.
The benefit of web upload is that you can just drag and drop the files. It is very easy. You can do it from virtually any computer, and you don't have to install any extra software.