Responsive Resize is a Mac App for testing breakpoints when building responsive sites
- Download Responsive-Resize-v.1.4-Installer.dmg.zip.
- Unzip it.
- Double-click the "Responsive-Resize-v.1.4-Installer.dmg" icon.
- Drag Responsive Resize to the Applications folder.
Or clone the repo and build it yourself in Xcode.
Responsive Resize requres Mac OSX 10.8+