Prototyper injects any hosted stylesheets (CSS) or javascript (JS) file into any webpage. It also modifies the HTTP headers to allow for full prototyping power. You can use the extension for your own prototyping or to share prototypes. The extension saves your options even when you restart the browser or change the code. Installation - After installing the extension, right-click on the extension icon and select "Options". Features - Specify any hosted CSS or JS file to inject (local files must be hosted under http://localhost/ - security restriction of Chrome) - It modifies HTTP headers for full prototyping power. - You can use the extension for your own prototyping or for others to test your prototype. - The extension saves your options even when you restart the browser or change the code. Find more information on the extension's website.