Privacy Policy

1. Information We Do NOT Collect

Web Harmonium is designed with privacy at its core. We do not collect, store, or transmit:

• Personal identification information (name, email, address, phone number)
• Account information or passwords
• Your musical compositions or playing data
• MIDI device information or usage patterns
• Browsing history or behavior
• Location data
• IP addresses or device identifiers
• Cookies or tracking data

2. Local Storage Only

The only data stored by Web Harmonium is saved locally in your browser using:

• localStorage: For saving your preferences (reverb settings, octave, transpose)
• Cache Storage: For offline functionality (PWA capabilities)

This local data:

• Never leaves your device
• Cannot be accessed by us or any third party
• Can be cleared by you at any time through browser settings
• Is not used for tracking or analytics

What We Store Locally

3. Third-Party Services

Web Harmonium uses minimal third-party services to enhance functionality:

Microsoft Clarity

We use Microsoft Clarity for anonymous usage analytics to improve the application. This service collects:

• Aggregated usage statistics (page views, session duration)
• Anonymized heatmaps and scroll data
• No personal information is linked to this data

You can opt-out of Clarity tracking by using browser do-not-track settings or ad blockers.

Hosting (Vercel)

Web Harmonium is hosted on Vercel. Vercel may collect basic server logs including:

• IP addresses (for security and performance)
• Request timestamps
• Browser type (for compatibility)

This data is processed according to Vercel's Privacy Policy and is used solely for hosting purposes.

4. Audio & MIDI Privacy

Web Harmonium uses Web Audio API and Web MIDI API with the following privacy considerations:

Audio Processing

• All audio synthesis happens locally in your browser
• No audio data is recorded, stored, or transmitted
• Microphone access is never requested

MIDI Devices

• MIDI device connection is optional and user-initiated
• MIDI data is processed locally in real-time
• No MIDI data is stored or transmitted to servers
• MIDI device identifiers remain on your device

5. Your Rights

Under various privacy regulations (GDPR, CCPA), you have the following rights regarding your data:

• Right to Know: You already know exactly what data we have (none!)
• Right to Delete: Clear your browser's local storage to delete all local data
• Right to Opt-Out: Use do-not-track settings or private browsing mode
• Right to Data Portability: Not applicable as we store no data

How to Clear Local Data

To remove all locally stored preferences:

1. Open your browser's developer tools (F12)
2. Go to Application/Storage tab
3. Find Local Storage section
4. Delete entries for webharmonium.vercel.app
5. Or use browser's "Clear Site Data" option in settings

6. Children's Privacy

Web Harmonium is suitable for all ages. We do not knowingly collect any information from children under 13 (or 16 in the EU). As we collect no data at all, children can safely use the application.

7. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be:

• Posted on this page with a revised "Last Updated" date
• Notified through a banner on the homepage for significant changes
• Never used to introduce new data collection practices

We are committed to maintaining zero data collection. Any policy changes will only clarify or strengthen this commitment.

8. Contact Us

If you have any questions about this Privacy Policy or our privacy practices, please contact us:

Privacy Summary