Screenfly is a simple web tool for testing your website at different screen resolutions. Just type in your website in the URL field, click “Go” and you’ll see how your website looks in different screen resolutions.

What is Screenfly?

Screenfly allows you to view your website on a variety of device screens and resolutions. Enter a URL and click on GO to get started.

About the Proxy Server

Screenfly uses a proxy server to mimic devices while you view your website. Want to try it out? Enter the address of a website, like, and see how you get an entirely different view on desktops, tablets, and mobile phones.

Having Trouble?

Screenfly doesn’t work on every website. Some websites don’t like to be displayed inside of frames, and others won’t work with the proxy server.

The Screenfly proxy server mimics the user agent string of the devices you select, but not the behavior of those devices. For example, most mobile phones and tablets have a zoom feature that displays the entire page at once, even if it appears to be clipped off the edges of the screen here. For best results, be sure to use the latest version of a modern web browser, such as Firefox, Safari, or Chrome.

Homepage: Screenfly – Test your website at different screen resolutions

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