Tab Duplicator от Krotonic

Tab Duplicator is a simple yet powerful Firefox extension that enhances your browsing experience by allowing you to quickly duplicate the current tab using the Ctrl+Shift+D keyboard shortcut.

Key features:
- Duplicate the current tab with a single keyboard shortcut (Ctrl+Shift+D).
- Overrides the default Firefox behavior for Ctrl+Shift+D (bookmark all open tabs) to provide a more convenient tab duplication feature.
- Lightweight and easy to use, with no additional setup or configuration required.

Tab Duplicator is perfect for users who frequently need to duplicate tabs for research, comparison, or any other purpose. The extension aims to save time and improve productivity while maintaining the familiar browsing experience in Firefox.

The code is available on github: https://github.com/krotonic/tab-duplicator