Privacy Policy for Guitar Mastery Hub
Last Updated: December 2025
Introduction
Guitar Mastery Hub ("we", "our", or "the extension") is committed to protecting your privacy.
This Privacy Policy explains how we collect, use, and protect your information when you use our Chrome extension.
Data Collection
What Data We Collect
Guitar Mastery Hub collects and stores the following data locally on your device only:
- Reading Progress
- Last position in each chapter
- Completion status of chapters
- Timestamp of last update
- User Preferences
- Theme preference (light/dark mode)
- Font size preference
- Display settings
- Bookmarks
- Chapters or sections you bookmark for quick access
- Notes
- Personal notes you create within chapters
What Data We Do NOT Collect
We do NOT collect, transmit, or store:
- Personal identification information (name, email, address)
- Browsing history or website data
- Location information
- Device information
- Analytics or tracking data
- Any data outside of the extension's local storage
Data Storage
Local Storage Only
All data is stored exclusively on your device using Chrome’s local storage API (chrome.storage.local):
- Data never leaves your computer
- Data is not transmitted to any external servers
- Data is not shared with third parties
- Data is not accessible to other extensions or websites
Data Retention
Your data remains on your device until:
- You uninstall the extension
- You manually clear Chrome's extension storage
- You use Chrome's "Clear browsing data" feature
Data Usage
How We Use Your Data
- Enhance Your Experience
- Remember reading position
- Save preferences
- Store bookmarks
- Preserve notes
Data Sharing
We do not share, sell, or transmit your data to third parties.
Permissions Explained
- Storage: Store preferences and progress locally
- Downloads: Allow users to download the complete guide as a PDF
- SidePanel: Display UI in Chrome side panel
Security
- All data stored locally using secure APIs
- No external servers used
- No login or authentication required
Your Control
- Uninstall extension to delete all data
- Clear data via Chrome settings
Children's Privacy
This extension is suitable for all ages. No personal data is collected.
Changes to This Privacy Policy
Updates will be reflected in this document and take effect immediately.
Your Rights
- Full control over your data
- Delete anytime via uninstall
- Review via Chrome developer tools
Contact Information
Email: [Your support email]
Compliance
- Chrome Web Store Program Policies
- GDPR (no personal data collected)
- CCPA (no personal data collected)
- COPPA (no personal data collected)
Summary:
- We store progress and preferences locally
- No data is transmitted
- No personal data is collected
- No tracking or analytics
- All data stays on your device