Refractor creates a Prism web application from within Firefox. Users can manually create web applications using "Tools > Convert Website to Application". The extension can also detect embedded web application bundles on web pages and prompt the user to install the bundle.
![Prism for Firefox :: Firefox Add-ons](https://cdn-ak-scissors.b.st-hatena.com/image/square/310fff6c3db7d4d4133a7c581ad2783fbef3a9ee/height=288;version=1;width=512/https%3A%2F%2Faddons.cdn.mozilla.net%2Fuser-media%2Fpreviews%2Ffull%2F18%2F18984.png%3Fmodified%3D1530208348)