Site Killer is a free Chrome add-on developed by chimin86. As its name suggests, it allows users to automatically close unwanted websites. This handy tool is perfect for those who want to improve their productivity and avoid distractions while browsing the internet.

With Site Killer, users can create a list of unwanted websites that they want to automatically close. This can be particularly useful for blocking time-wasting websites or those that contain inappropriate content. The add-on works silently in the background, ensuring that unwanted sites are closed without any interruption.

The simplicity of Site Killer is one of its strengths. The user interface is intuitive and easy to navigate, allowing users to quickly add or remove websites from their list. The add-on also provides options to customize the closing behavior, such as displaying a notification before closing a site.

Overall, Site Killer is a valuable tool for anyone looking to stay focused and eliminate distractions while browsing the web. Its ability to automatically close unwanted sites makes it a must-have add-on for Chrome users.