Browser Resize for Responsive Dev Testing & QA

This tool is a quick reference for viewing a website in a few popular devices. It does not qualify as an absolute guarantee the site will be exactly as portrayed here[1], though this is a good guideline.

Hover over each dimension button to identify the corresponding device(s).

Disclaimer: This is a simple tool. In practice, I normally use Chrome's (View -> Developer -> Developer Tools) and FireFox's (Tools -> Web Developer -> Responsive Design Mode) developer tools.

A good reverence for viewport sizes is this site or this site .

[1] For example, Retina displays are not represented in this demo.

Enter an absolute* URL:

*(Include http://)




If you want to test different sizes than any of the above, visit this site and enter the values below:

(In RUI development, height is not usually critical)