The microphone
The tuner asks for microphone access only when you tap “Enable microphone”. Sound is analyzed live by your browser, on your device: it is neither recorded nor sent to a server. Access stops when you tap “Stop” or leave the page.
Cookies and local storage
The site sets no cookies and uses no analytics or advertising tools.
For convenience, a few settings (the tuner’s reference A, the metronome’s tempo and sound) are kept in your browser’s local storage. They never leave your device; you can clear them from your browser settings.
Host technical logs
Like any host, Cloudflare processes technical data (IP address, browser type) to deliver pages and protect the site against attacks. This processing is described in Cloudflare’s privacy policy.
Your rights
Since the publisher collects no personal data, there is nothing to access or delete on their side. For any data protection question, you can contact the French data protection authority (cnil.fr).