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About this Add-on
The Browser Window Resizer is useful for testing different screen sizes. It accurately resizes your browser so you can test to see what a web page looks like in all of the standard resolution sizes.
Supports the 640x480, 800x600, 1024x768, 1280x800, 1280x1024, 1600x1200 resolutions.
Resize the current page via the Context menu, Tool menu or Toolbar button.
This extension has a use for those who don't want another toolbar installed but yet, need the feature. You can stop commenting about the matter. You don't need to rate an extension low, just because it's not useful for you.