As the name says, this Firefox extension allows you to upload/download files from any website using a friendly interface. In this version, Box.net (1GB of free space), Flickr (photo viewing/sharing), Picasa (photo viewing/sharing), Youtube(Vidoes) are supported. You can upload videos to Youtube, upload/download/organize photos to Picasa, Flickr and Box.net.

The benefits of using this extension are

• You can upload any number of files at a time
• It shows the local folders and remote folders which enables you to upload files by single click
• You can upload files to multiple websites using a single interface (using only one extension)
• Ability to add multiple accounts and upload files to each account independently