Responsive design testing tool

What it is. The Viewport is a Meta Tag within the page's HTML which gives the browser instructions for how to control the page's dimensions and scaling.

you can see viewport size of web browser on your device.

What Is My Viewport — A simple online tool for quickly finding the dimensions of your current device's viewport!

Little utility to detect if elements are currently within the viewport :wrench: - dirkgroenen/viewport-checker.

This will check if the webpage is using a viewport meta tag, which is necessary for responsive web design by controlling a page's dimensions and scaling in ...

Responsive design testing tool to test any website's responsiveness – it only takes 2 seconds! Emulate various screen resolutions. Viewport Resizer is a ...

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 ...

Check your website at different screen resolutions.

Viewport resizer is a browser-based tool to test any website's responsiveness. Just save the bookmarklet, go to the page you want to test, click on your ...