FSWizard: Online now has Service workers!
It is a cool new technology that allows otherwise online applications to run completely offline.
From now on FSWizard will be able to cache all of its files on your mobile or PC device.
Also a reminder: you can "Install" FSWizard right from your browser by going to menu and hitting "Add to Home Screen"
Then FSWizard will be able to run in full-screen mode.
Depending on your usage, Chrome may actually prompt you to do that automatically.