Privacy

Privacy Policy

Web Harmonium is a free browser-based music tool. This page explains what information is used when you play the harmonium, read song notes, contact us, or view ads on the site.

Information stored in your browser

Practice streaks, saved presets, settings, and recordings are stored locally in your own browser. They are not uploaded to a Web Harmonium server. You can clear them by deleting this site's browser data.

Analytics

We use privacy-aware analytics tools to understand which pages are useful, what devices people use, and whether pages are working correctly. Analytics may collect basic technical information such as page URL, browser type, device type, country-level location, and referrer.

Advertising

Web Harmonium may show ads through Google AdSense or related advertising services. Advertising partners may use cookies or similar technologies to show and measure ads. You can control ad personalization through your Google ad settings and browser privacy settings.

Email

If you contact us by email, we receive your email address and whatever information you choose to include. We use that information only to reply, handle bug reports, and improve the site.

Children's privacy

Web Harmonium is a general music practice tool and is not designed to collect personal information from children. If you believe a child has sent personal information, contact us and we will delete it.

Contact

For privacy questions, email hello@harmoniumweb.org.

Last updated: May 20, 2026