Privacy

There are no accounts and no sign-up. The appliances you pick are kept in two places, both under your control:

• the page address (so you can copy and share a plan), and
• your browser’s local storage on this device (your last plan).

Neither is sent to us. Fonts load from Google Fonts, which receives your IP address as part of serving them. We don’t use analytics or advertising cookies today; if that changes, this page will say what is collected and why before it starts.