🔒 Runs in your browser — nothing you type is uploaded.
An email QR code opens the scanner's email app with your address, a subject and a message already written. It is handy for feedback forms, support requests, event registrations and enquiries.
It uses a standard mailto: link that every phone understands.
No. Scanning opens a ready-made email; the person still taps Send, so nothing is sent without their permission.
No. The QR code stores your information directly, so it works for ever, with no sign-up, tracking or scan limit. It only stops working if the link or details inside it change.