Viewport Resizer – Responsive Testing Tool

Responsive design testing tool to test any website’s responsiveness – it only takes 2 seconds! Emulate various screen resolutions.

Viewport Resizer is a tool to test any website’s responsiveness. Just install the extension, go to the page you want to test and check all kinds of screen resolutions of the page. The smartest way to share your defined environment of devices and breakpoints directly with your team and client. This tool should not replace a real device simulation. It rather helps you, your team and client testing statuses, transitions, text length etc. throughout different device types.