The Browser Window Resizer is useful tool for testing different screen sizes. It accurately resizes your browser so you can test to see if the web page you’re working on looks right in all of the standard resolution sizes.
Window resizer supports the 640×480, 800×600, 1024×768, 1280×1024, 1600×1200 resolution sizes.
¬ The Firefox extension Resize the current page via the context menu, tool menu or toolbar button.
¬ Window Resizer for Internet Explorer resize the current page via the context menu (right-click) only.
A great tool for all you webdesigners out there! Click here to visit and download >>