Bookmark Duplicate Cleaner EN

Keep Your Bookmarks Organized.
Clean, organize, and optimize your Firefox bookmarks with one click!
Bookmark Cleaner is a powerful yet easy-to-use extension that helps you remove duplicate, broken, and unwanted bookmarks directly from your Firefox browser. No need to export/import HTML files - everything works seamlessly within your browser.
✨ Key Features
🔄 Smart Duplicate Detection

Multiple detection methods: Find duplicates by URL, title, or both
Flexible keep options: Choose to keep the first or last occurrence
Intelligent sorting: Automatically organizes duplicates by date added
Prevents data loss: Always keeps at least one copy of each bookmark

❌ Broken Link Detection

Automatic URL testing: Checks if bookmarks are still accessible
Timeout handling: Identifies links that take too long to respond
Background processing: Continue browsing while the extension works
Progress tracking: Real-time updates on checking progress

🔞 Adult Content Filtering

Keyword-based detection: Identifies NSFW/adult content automatically
URL and title scanning: Checks both bookmark titles and URLs
Privacy-focused: All processing happens locally in your browser
Optional feature: Enable only when needed

🎯 User-Friendly Interface

Full-page interface: Opens in a new tab, won't close accidentally
Visual statistics: See exactly what will be removed before cleaning
Preview mode: Review bookmarks before deletion
Progress indicators: Real-time feedback during scanning and cleaning
Safety confirmations: Multiple warnings before permanent deletion

🚀 How It Works

Click the extension icon - Opens the Bookmark Cleaner in a new tab
Configure your preferences - Choose detection methods and filters
Scan your bookmarks - Click "Scan Bookmarks" to analyze
Review the results - See statistics and preview items to be removed
Clean with confidence - Click "Clean Bookmarks" to remove unwanted items

🔒 Privacy & Security

100% local processing - No data is sent to external servers
No tracking or analytics - We don't collect any information
No registration required - Works immediately after installation
Open source friendly - Transparent code you can trust
Offline capable - Works without internet connection (except broken link checking)

⚙️ Customization Options

Duplicate Detection Method: URL only, Title only, or Both
Keep Preference: First occurrence or Last occurrence
Adult Content Filter: Toggle on/off based on your needs
Broken Link Checker: Optional feature for finding dead links
Preview Display: Choose whether to see detailed preview before cleaning

📊 What You'll See
After scanning, the extension displays:

Total number of bookmarks in your browser
Number of duplicate bookmark groups found
Count of adult/NSFW content detected
Number of broken or unreachable links
Total bookmarks that will be removed

⚠️ Important Notes

Backup recommended: Always backup your bookmarks before cleaning (Bookmarks → Manage Bookmarks → Import and Backup → Backup)
Permanent deletion: Removed bookmarks cannot be recovered
Broken link checking: May take time depending on bookmark count
Multiple confirmations: The extension asks for confirmation before deleting anything

🎓 Use Cases

Regular maintenance: Clean up years of accumulated bookmarks
Privacy protection: Remove unwanted adult content
Spring cleaning: Find and remove dead links
Organization: Eliminate duplicate entries cluttering your folders
Browser migration: Clean bookmarks before switching browsers
Shared computers: Remove personal bookmarks before sharing device

🆘 Support & Feedback
If you encounter any issues or have suggestions for improvements:

Please report bugs through the support page
Rate and review to help other users
Share your experience and feature requests

📝 Permissions Explained
This extension requires the following permissions:

bookmarks: To read and remove bookmarks from your browser
storage: To save your preferences between sessions
tabs: To open the cleaner interface in a new tab
<all_urls>: To check if bookmark URLs are still working (only when broken link checking is enabled)

🌟 Why Choose Bookmark Cleaner?
Unlike other bookmark management tools:

✅ Works directly in your browser (no export/import needed)
✅ Multiple cleaning options in one extension
✅ Safe with multiple confirmation dialogs
✅ Fast and efficient processing
✅ Clean, modern interface
✅ Regular updates and improvements
✅ Completely free with no premium features locked