ImageTweak is a Mozilla Firefox extension, can zoom, drag and display images on a custom background. A small enhancement to allow viewing images in an acceptable way, but has now become an image viewer with dragging and zooming. It modifies the way single images (images not embedded within a web page) are displayed.

Requirements:
* Firefox
* SeaMonkey

The license of this software is Free, you can free download and free use this browser plug-ins software.