Privacy Policy

Effective date: 2026-10-02

This policy explains what information Fretboard Trainer (“the service”) handles and how.

1. Information we collect

The service has no accounts, and the operator does not collect names, email addresses or other personal information. Your practice records and settings are stored only in your browser's local storage on your device and are never sent to the operator's servers.

2. Microphone (audio input)

Your browser asks for microphone permission only when you use the Guitar input. Incoming sound is analyzed in real time inside your browser. It is not recorded, stored or transmitted. You can revoke the permission at any time in your browser settings.

3. Advertising and cookies

4. Server logs

The company that hosts this site may process basic access data such as IP address, browser type and time of access for security and reliability.

5. Deleting your data

Clearing this site's data in your browser deletes all practice records and settings.

6. Changes and contact

If this policy changes, the new version will be posted on this page with its effective date. Contact: