Original version of Responsive Inspector was broken. https://chrome.google.com/webstore/detail/responsive-inspector-beta/memcdolmmnmnleeiodllgpibdjlkbpim Piotr Walczyszyn (developer) stopped supporting and updating of extension. This version is open sourced and have GitHub project page: https://github.com/MistaTwista/Responsive-Inspector-Reloaded Feel free to fork and making pull requests or add issues.
You can Follow the below Step By Step procedure to install the Responsive Inspector Reloaded Chrome Extension to your Chrome Web browser.
It is the Responsive Inspector Reloaded Chrome extension download link you can download and install Chrome Browser.
Making responsive design a little bit easier.
Show multiple screens once, Responsive design tester
A handy generator for all of your CSS3 needs from within the browser
Responsive design testing tool to test any website’s responsiveness – it only takes 2 seconds! Emulate various screen resolutions.
Interactively see how a website's layout changes responsively
Mobile/Responsive Web Testing for Front-End Web Developers
Fast and easy way to test your responsive design in multiple viewports
Generate media-queries, show screen sizes width and link to a list of media-queries snippets.
The easiest way to find the break points in your responsive web designs.
Test responsive design of any web page with one click. Extension works when you click to extension icon only.