ShimTab is a free Chrome add-on developed by nadaneo47 that allows you to group the tabs of your visited sites using auto keywords. With ShimTab, you can easily insert, move, remove, and open tab items within a group or between groups. You can also perform the same tasks with tab groups. The add-on offers the option to show tabs divided by column count, with up to 5 columns.

This add-on is designed to enhance your productivity by allowing you to save useful websites in ShimTab and organize tab items into groups for easier navigation. With the ability to quickly access and manage your tabs, ShimTab provides a convenient way to keep your browsing experience organized and efficient.