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Test your website on any screen size including desktops, tablets, televisions, and mobile phones.

Test for devices

Test for screen ratios

Test for browsers

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Product information:

Screenfly is a free web app that helps designers make sure their website is appearing as desired on all the devices out there. Check if your website is truly responsive by entering the URL and testing for several options.


  • Test your website for different browsers

  • Test your website for different devices (laptop, mobile, desktop etc.)

  • Test your website for different screen dimensions.

Free features:

Unlimited website tests

All devices

All browsers

Custom screen size

No account required


Free 14-day trial of

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