PX: Viewport Dimensions by Luke Peters

Displays the viewport dimensions when a browser window is resized.

4.6 (23 reviews)

1,030 Users

You'll need Firefox to use this extension

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About this extension

Shows you the browser window size in pixels as you resize the window. There is an easily accessible panel to disable the plugin until it's needed again. This extension does not require Developer Tools to be open in order to work.

Rated 4.6 by 23 reviewers

Release notes for 1.9

Improved the popup window responsive styling. Added a subtle author link.

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