Claude Navigator - Privacy Policy

1. Overview

Claude Navigator ("we", "this extension") is a browser extension that adds a table of contents to your Claude.ai chats, making it easier to navigate long conversations. Your privacy and data security are important to us, and this policy explains how Claude Navigator handles your information.

2. Information Collection

2.1 Information We Collect

• Message Catalog Data: The extension reads your Claude.ai conversation messages to generate a table of contents and sidebar navigation. Only summary data (such as message position, starred status) is processed locally.
• User Preferences: Sidebar visibility, width, filter state (all/starred), and other settings are stored locally to persist your experience across sessions.
• Local Storage Data: All catalog and preference data is stored in your browser's local storage only.

2.2 Information We Do NOT Collect

• No personal identification information
• No complete conversation content is transmitted or stored outside your browser
• No browsing history or data from other websites
• No user tracking of any kind

3. Information Usage

The information described above is used solely for:

• Providing message catalog and sidebar navigation functionality
• Saving and restoring your sidebar and filter preferences
• Improving ease of navigation within Claude.ai chats

4. Data Storage & Security

4.1 Local Storage

• All extension data is stored locally in your browser (using standard browser storage APIs)
• Data is never uploaded to any remote server
• Only accessible on the device where you use Claude Navigator

4.2 Data Security

• Uses browser-standard secure storage mechanisms
• Extension code runs only in the context of Claude.ai and does not access other sites
• No risk of third-party data leakage or server breaches

5. Permissions Explanation

Claude Navigator requests the following permissions:

• storage: To save user preferences and sidebar state
• activeTab: To inject scripts for catalog sidebar only on Claude.ai pages
• claude.ai: The extension runs exclusively on the Claude.ai website

6. Third-Party Services

Claude Navigator does not use any third-party analytics, advertising, or data collection services. All cataloging and filtering features operate locally in your browser.

7. User Rights

• You may uninstall the extension at any time to stop all local data collection
• You can clear all stored data via your browser settings
• You may view and manage all locally stored data related to Claude Navigator

8. Children's Privacy

Claude Navigator is not intended for use by children under 13. We do not knowingly collect personal information from children.

9. Privacy Policy Updates

This policy may be updated from time to time. Significant changes will be communicated via extension update notes or the project homepage.