Privacy Policy

1. Introduction

This Privacy Policy describes how the Bookmark Dead Link Scanner Chrome extension ("we," "our," or "the extension") collects, uses, and protects your information when you use our service.

2. Information We Collect

2.1 Bookmark Data

The extension accesses your Chrome bookmarks to:

• Read bookmark URLs and titles for scanning purposes
• Check the accessibility of bookmarked websites
• Identify and report dead or broken links

2.2 Scan Results

We store scan results locally in your browser including:

• URLs that were checked
• Response status codes (404, 500, etc.)
• Error messages for failed requests
• Scan timestamps and progress data

2.3 What We Don't Collect

• Personal identification information
• Browsing history beyond bookmarks
• Passwords or authentication credentials
• Financial or payment information
• Location data

3. How We Use Your Information

Your bookmark data is used exclusively for:

• Performing dead link scans on your bookmarks
• Displaying scan results and recommendations
• Providing bookmark management functionality
• Storing scan history for your convenience

4. Data Storage and Security

4.1 Local Storage

All data is stored locally on your device using Chrome's storage API. This includes:

• Scan results and progress
• Extension preferences
• Temporary cache data

4.2 No External Transmission

4.3 Network Requests

The extension makes HTTP requests directly from your browser to:

• Check if bookmarked websites are accessible
• Determine response codes and error states

These requests are made directly to the bookmarked websites and do not pass through our servers.

5. Data Sharing and Third Parties

We do not share, sell, or transfer your data to third parties because:

• All processing happens locally on your device
• We have no servers that collect your data
• No analytics or tracking services are integrated
• No advertising networks have access to your information

6. Your Rights and Controls

6.1 Data Control

You have complete control over your data:

• Uninstall the extension to remove all stored data
• Clear browser data to reset scan history
• Disable the extension without losing bookmark data

6.2 Permissions

The extension requires these Chrome permissions:

• bookmarks: To read and manage your bookmarks
• storage: To save scan results locally
• tabs: To open results in new tabs
• host permissions: To check bookmark accessibility

7. Data Retention

Scan results are retained locally until:

• You manually clear the data
• You uninstall the extension
• Your browser data is cleared
• Chrome's storage limits are exceeded (automatic cleanup)

8. Children's Privacy

This extension does not knowingly collect personal information from children under 13. The service is designed for general bookmark management and does not target minors.

9. Changes to This Privacy Policy

We may update this Privacy Policy periodically. Changes will be reflected in the "Effective Date" at the top of this document. Continued use of the extension after changes constitutes acceptance of the updated policy.

10. Technical Details

10.1 Chrome Extension Architecture

This extension uses Manifest V3 with:

• Service worker for background processing
• Content scripts for minimal DOM interaction
• Chrome Storage API for local data persistence
• Chrome Bookmarks API for read/write access

10.2 Security Measures

• Content Security Policy (CSP) restrictions
• Minimal permission requests
• No external script loading
• Input sanitization for display safety