Dimensions App
Dimensions App is a free tool for web designers & developers to test their responsive website design. Using our Chrome App you can use it offline.
Features:
* Draggable handle to find breakpoints
* Works with local or remote servers
* Choose from a selection of popular devices
* Ability to hide scrollbars
* Works with JS auto-refreshers including LiveReload
Responsive web design testing tool
Home Page: http://www.dimensionsapp.com/