MoreGroups is a Chrome extension that allows users to create, organize, and customize tab subgroups for a more efficient browsing experience. With this tool, users can easily categorize their tabs beyond a single level of grouping, enhancing productivity and decluttering their browser interface.

Users can select the tabs they want to group together and create parent tabs with associated subgroups. Each subgroup is color-coded and named based on the parent tab, enabling quick identification and easy navigation. By renaming subgroups or collapsing parent tabs, users can further tailor their browsing setup to suit their needs.

However, it's important to note that the extension functions best within a single window, and moving subgroups outside the main window may lead to some limitations. Despite minor bugs in subgroup naming initialization, simply reopening parent tabs resolves this issue.