Privacy Policy for Bullet History

Overview

Bullet History is a Chrome extension that helps you visualize your browsing history in a bullet journal-style grid. We take your privacy seriously and are committed to protecting your data.

Data Collection

Bullet History collects and stores the following data locally on your device:

• Browsing history (URLs, page titles, visit counts, timestamps)
• Bookmarks
• Active tab information (URLs, titles, duration)
• Recently closed tabs (last 50 tabs)
• Domain color preferences for visualization
• UI preferences (zoom level, sort mode, view mode)
• Calendar event data (only if you connect to Google Calendar)

Data Storage

All data is stored locally using Chrome's built-in storage APIs. No data is transmitted to external servers or third parties. Your browsing history never leaves your computer.

Google Calendar Integration (Optional)

When you choose to connect to Google Calendar:

• We request read-only access to your calendar events
• Events are cached locally for 15 minutes to improve performance
• Event data includes: title, date/time, location, attendees
• You can disconnect at any time through the Calendar Settings
• Disconnecting removes all cached calendar data
• No calendar data is stored permanently or transmitted to external servers

Data Usage

We use your browsing data exclusively to:

• Display visual history grids and charts
• Track domain activity patterns
• Show visit statistics and trends
• Provide search and filter functionality
• Integrate calendar events with browsing context

Third-Party Services

• Google Calendar API - Optional, only when you explicitly connect
• Google Favicon Service - Used to display website icons
• No analytics or tracking services
• No advertisements
• No data brokers or third-party data sharing

Permissions Explained

Bullet History requires the following Chrome permissions:

• history - Read and delete your browsing history to display in the grid
• storage - Save preferences and cached data locally
• bookmarks - Display and manage your bookmarks
• tabs - Track active tabs and recently closed tabs
• identity - Optional Google Calendar authentication
• alarms - Schedule periodic calendar sync (every 15 minutes)

Data Security

• All data remains on your local device
• Chrome's built-in security protects your data
• Calendar authentication uses OAuth 2.0 (industry standard)
• No passwords or sensitive credentials are stored

Data Retention

• History data is retained based on your Chrome settings
• Calendar events are cached for 15 minutes, then refreshed
• Recently closed tabs are limited to the last 50 tabs
• All data is deleted when you uninstall the extension

Your Rights

You have complete control over your data:

• Access - View all your data within the extension
• Delete - Delete individual entries or entire domains
• Export - Data is visible and can be manually copied
• Disconnect - Revoke calendar access at any time
• Uninstall - Removes all extension data immediately

Data Deletion

To delete your data:

1. Partial deletion - Use the delete buttons within the extension to remove specific URLs or domains
2. Clear cache - Disconnect from Google Calendar to remove cached events
3. Complete deletion - Uninstall the extension to remove all local data
4. Chrome history - Use Chrome's "Clear browsing data" feature to delete underlying history

Children's Privacy

Bullet History is not directed at children under 13. We do not knowingly collect data from children. If you are a parent or guardian and believe your child has used this extension, please contact us.

Changes to This Policy

We may update this privacy policy from time to time. Significant changes will be communicated through:

• Extension update notes in the Chrome Web Store
• Updated "Last Updated" date at the top of this page

Continued use of the extension after changes constitutes acceptance of the updated policy.

Contact

If you have questions about this privacy policy or data practices:

• Open an issue on our GitHub repository
• Leave a review on the Chrome Web Store

Open Source

Bullet History is transparent about its data practices. You can review the complete source code on GitHub.