Web-based RWD Tools

These are some pretty useful and convenient tools for testing how responsive web sites resize and reconfigure for various device widths:

The Responsinator
- Enter a responsive site URL into the form field
- Submit to see a simulation across various device widths & orientations

Benjamin Keen's Bookmarklet
- Install the bookmark by dragging the link to your bookmark bar
- Visit a responsive site
- Click on the bookmark for a set of IFRAME previews

Victor Coulon's Bookmarklet
- Install the bookmark by dragging the link to your bookmark bar
- Visit a responsive site
- Click on the bookmark for an interactive preview in a single IFRAME
- Use the links above to resize the IFRAME

Examples:
- http://foodsense.is
- http://spigotdesign.com
- http://www.authenticjobs.com
- http://www.getskeleton.com