🔒 Privacy Policy

Data Collection

Speaker Cleaner is committed to protecting your privacy. Our web application:

• Does not collect personal information
• Uses anonymous device identification only for feedback
• Does not track your behavior
• Stores only minimal, anonymous data

Feedback System

We store only anonymous feedback information:

• Device identification is completely anonymized through secure hashing (SHA-256)
• No personal or identifiable information is stored
• Feedback data contains only: hashed device ID and yes/no response
• Original device information cannot be retrieved from the hash
• You can submit feedback only once per device (updates replace previous feedback)

Usage Statistics

To improve our application, we anonymously collect:

• Most used frequencies (only Hz value)
• Anonymous usage count per frequency
• No user or device information is linked to this data
• Data is used only to improve preset frequencies

How It Works

All sound processing is done locally in your browser. We do not:

• Record or transmit audio
• Access your device's microphone
• Store your settings
• Track or identify users

Third-Party Services

We use minimal third-party services:

• Basic analytics to understand usage patterns (anonymized)
• Non-personalized advertisements

Contact

For privacy concerns, please open an issue on our GitHub repository.