Privacy policy

Last updated: 28 September 2026.

Microphone and sound

The tuner and the X-ray analyse the microphone inside your browser. Audio is not recorded, not sent and cannot be heard from our servers.

Data stored on your device

Some preferences (instrument, reference A, note names) and your X-ray history are kept in your browser's local storage, on your device only.

Controller

Eduardo Bernardo Keser, Argentina, eduardokeser70@gmail.com.

Cookies and advertising

This site shows Google AdSense ads. Google and other vendors use cookies to serve ads based on your previous visits to this and other sites. You can opt out of personalised ads in Google Ad Settings. Learn more about how Google uses cookies in advertising. This site uses no visitor analytics.

Your rights

You can request access, correction or deletion of your data by writing to eduardokeser70@gmail.com.