Duplication Killer is a useful Chrome add-on developed by p_craft that aims to streamline tab management for users who often find themselves with multiple duplicate tabs open. This free add-on is categorized under Browsers and falls under the subcategory of Add-ons & Tools.

The main functionality of Duplication Killer is to automatically close any new tab that has the same URL as an already opened tab, ensuring that users don't end up with unnecessary duplicate tabs cluttering their browsing experience. Instead, the add-on activates the existing tab with the same URL, allowing users to easily access the content they need without creating additional tabs.

This add-on is especially recommended for individuals who tend to open multiple tabs while conducting research or browsing the internet. With Duplication Killer, users can effectively manage their tabs and avoid the frustration of having to sift through numerous duplicates. It provides a simple yet valuable solution for those who struggle with tab organization and efficiency.