The bookmarks are one of the simplest parts of your collection to condense. All you need to do is just right click on every book mark and select “Edit” to open the Edit Bookmark Window.
Now delete the text and then enter OK, and you are done.
After that you will have a useable bookmark that looks really great and takes up very little space.
In order to have a more efficient and compressed Bookmarks Toolbar in Chrome, then this little hack will definitely help you a lot.