If you want to start from scratch with Flotato, you can reset Flotato's settings. This includes all app settings as well, so please be careful.
How to do it
Go to any Flotato app
Go to Preferences
Go to the General tab
Click Reset next to Flotato to remove all Flotato-specific settings. You can also click Erase all data for all apps if you want to log out and remove all cookies for all the sites in all Flotato apps on your Mac