This gadget is for those who save their files on the desktops instead of saving them to the right folders. It helps you categorize and move files. You have to drag a file on; it will recognize the extension of the file and send it to the right folder. Fox example, .doc, or .docx files to the documents folder and .jpg, .png files into the images folder. It can also identify the extensions that are unregistered.
You can change the extensions of the files, meaning when you are changing the file extension, you are defining the path of the folder where it will be saved by the magic folder. You can also add your own folder locations. If you want more control, you can enable the gadget to ask you the location before it transfers the file.