Kill Clone Tabs

Kill Clone Tabs is an extension designed to help you manage browser tabs efficiently. It enables you to detect and close duplicate tabs, organize tabs intelligently, and provides additional productivity tools such as text highlighting and tab export.

Key Features

Tab Management
• Kill Clones
Instantly find and close duplicate tabs to free memory and reduce tab clutter.
• Sort Tabs
Sort tabs by URL or Title with a single action.
• Group Tabs
Automatically group tabs by domain (for example, all google.com tabs together).
• Undo
Revert the last Sort, or Group action if needed.

Bulk Actions
• Pin / Unpin All
Pin or unpin all tabs in the current window.
• Mute / Unmute All
Mute or unmute audio across all tabs at once.
• Copy Tabs
• Copy All Tabs – Copy the title and URL of all open tabs.
• Copy Selected Tabs – Copy the title and URL of selected tabs only.
• Export Tabs
Export the current tab list to a Markdown file.

Text Highlighting
• Smart Highlight
Select text on a webpage and automatically highlight all matching occurrences.
• Customization Options
• Highlight color selection
• Case sensitivity toggle
• Whole-word matching
• Minimum character length
• Match counter

Customization & Preferences
• Whitelist
Protect specific domains from being closed accidentally.
• Dark Mode
Full support for Light and Dark themes.
• Smart Initials
Option to keep the active tab focused after actions.

Usage
1. Click the Kill Clone Tabs icon in the Chrome toolbar.
2. To close duplicates, click the Knife icon.
3. Use the Organize section to sort or group tabs.
4. Use the Manage section for pinning, muting, copying, or exporting tabs.
5. Open Settings to configure whitelist, highlighting, and behavior options.

Privacy

The extension runs entirely locally.
No personal data, browsing history, or tab information is collected or transmitted.

Change-log

Version 1.68
• Fixed critical syntax error in popup.js causing duplicate event handlers.
• Added undo support for "Kill Clones" and "Show Duplicates" actions.
• Pin/Mute buttons now only affect tabs in the current window.
• Added missing "Import in New Window" option save listener.
• Improved domain matching consistency in "Hide Evidence" feature.
• Added error handling for tab operations to prevent silent failures.
• Fixed potential race condition when highlighting duplicate tabs.
• Added cleanup for highlight counter element to prevent memory leaks.
• Simplified "Add to Hide List" to only store hostname (removed redundant URL variations).

Version 1.67
• Added "Import Tabs" from file.
• Added "Paste to Open" (Ctrl+V) support.
• Option to open imported tabs in a new window.

Version 1.66
• Added Copy All Tabs and Copy Selected Tabs actions.

Version 1.65
• Added full text highlighting configuration:
• Custom highlight color
• Case sensitivity
• Whole-word matching
• Minimum character length
• Match counter

Version 1.64
• Implemented text highlighting using the CSS Custom Highlight API.

Version 1.63
• Default settings updated to enable Keep Active Tab and Smart Initials.

Version 1.62
• Fixed tab order reversal when unpinning tabs.

Version 1.61
• Fixed pin functionality in the Options page.

Version 1.59
• Fixed Undo logic to correctly restore pin state and tab order.

Version 1.58
• Simplified theme options to Light and Dark.

Version 1.27
• Restored comfortable layout spacing while keeping larger font size.

Version 1.26
• Improved readability by increasing font size and compacting layout.

Version 1.25
• Updated duplicate detection icon behavior dynamically.

Version 1.24
• Added blinking red animation to the Knife icon during duplicate removal.

Version 1.23
• Pin icon now reflects current pin state.

Version 1.22
• Mute icon now reflects current mute state.

Version 1.21
• Updated font stack to modern system fonts.

Version 1.20
• Reduced popup margins and height for a more compact layout.

Version 1.10
• Added a Settings button to the popup.

Version 1.9
• Added duplicate detection options:
• Ignore www
• Ignore URL parameters
• Ignore protocol

Version 1.8
• Introduced Options page and anchor/hash ignoring.

Version 1.5
• Major refactor:
• Performance improvements
• Modern ES modules
• Manifest V3 migration
• Shared duplicate-detection utilities

Version 1.4
• Upgraded to manifest_version: 3.

Version 1.1
• Added Pin/Unpin All and Mute/Unmute All functionality.