Laminate the Napkin doesn't have accounts and doesn't collect personal information.
Your score is saved in your own browser's local storage so it's still there when you come back. It never leaves your device, and nobody else can see it. Clearing your browser data or pressing "Reset my career" deletes it.
The "Practise in a fake meeting" screen can show your own camera so you can see yourself. Your video is only displayed on your screen. It is never recorded, saved or sent anywhere, and the camera turns off when you leave the meeting.
Fonts load from Google Fonts, which receives your IP address when it serves them, under Google's privacy policy.
Sharing only happens when you press a Share button, and it uses your device's own share sheet or the app you pick. The page doesn't send your score or bingo card anywhere by itself.
The page sets no cookies of its own and runs no analytics or advertising.