Privacy Policy

Last updated: March 29, 2026

Information We Collect

Web Harmonium is designed with privacy in mind. We collect minimal information:

  • Local Storage: Your settings (volume, transpose, octave) are stored locally in your browser using localStorage. This data never leaves your device.
  • Analytics: We may use analytics services to understand how users interact with our application. This includes anonymous usage data such as page views and feature usage.

Cookies

We may use cookies for:

  • Analytics and performance monitoring
  • Advertising (Google AdSense)

Third-Party Services

We may use third-party services including:

  • Google AdSense: We use Google AdSense to display advertisements. Google may use cookies to serve ads based on your prior visits to our website or other websites. You can opt out of personalized advertising by visiting Google Ads Settings.
  • Hosting Services: Our application is hosted on Vercel, which may collect standard server logs.

Data Security

Since all your settings are stored locally in your browser, we do not transmit or store any personal data on our servers. Your data remains under your control.

Children's Privacy

Our service is available to users of all ages. We do not knowingly collect personal information from children under 13.

Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any changes by posting the new policy on this page.

Contact Us

If you have questions about this privacy policy, please contact us.