Just a little diddy to make testing your responsive designs a more pleasurable experience.
Only what you need, when you need it. Handy Keyboard shortcuts for most features.
Breakpoints and Useragents
Oh My. The most popular breakpoints and most recent user agents are built right in. Don't want those? You can manage both from in Preferences.
Save as Image
Need a screenshot of your mobile view for later? Hit the camera icon. Two will grab a shot of the entire site with the dimensions of the currently selected breakpoint applied.
Send to Browser
Need to send a page you are viewing to one of your full browsers? Simply click the "share" link in the URL bar and choose your browser.