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How big is my web browser?

JavaScript is not enabled.
JavaScript needs to be enabled in order to detect information about your browser window size.

Need help enabling JavaScript?

Here's how to enable JavaScript in lots of different web browsers.

What exactly is this measuring?

This measures the entire visual size of your web browser, including your address bar and any toolbars.

Problems with Firefox

Unfortunately, Firefox has developed a bug in regards to detecting these values. The reported values are only accurate when the page is zoomed to 100%; not zoomed in or out.

You can see bug reports relating to this issue here:

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