TopBookmarkToolbar is a free Chrome add-on developed by tzengshinfu. It provides a convenient bookmarks toolbar that appears on the top of web pages. With this add-on, users can easily access their favorite bookmarks without the need to navigate through menus or search for them.

The toolbar is always visible on the top of the page, ensuring quick and easy access to bookmarks. It eliminates the need to open the bookmarks menu or use keyboard shortcuts. The add-on also allows users to collapse the menu when there are too many bookmarks to fit on the toolbar. This feature ensures a clutter-free browsing experience.

In addition, TopBookmarkToolbar introduces a pause function that automatically hides the toolbar after 10 seconds of inactivity. This feature helps to maximize screen space and reduces distractions when not actively using the bookmarks toolbar.

Overall, TopBookmarkToolbar is a useful Chrome add-on for those who heavily rely on bookmarks. It offers a convenient and accessible way to manage and access bookmarks directly from the top of web pages.