The application supports to test your responsive mobile layouts..
Test responsive design of any web page with one click. Extension works when you click to extension icon only.
Test responsive web pages by the real devices' screen size.
Test responsive web designs or mobile pages and see if it is mobile friendly
Show multiple screens once, Responsive design tester
Test your websites responsivness
Responsive Web Design Blog of TemplateStore.com
Kickstart the design of your Bubble™ app with access to pre-built responsive UI elements and learning resources.
Open the current page or links in Polypane, the developer tool for responsive web development and design.
A chrome extension for testing responsive web page, just by a click.
Smartphone and tablet simulator on computer with several models to test mobile responsive websites.