4th Toolbar Spacer is a Chrome add-on developed by Niko Sardas that allows you to manage and organize the extension buttons on your toolbar. With this simple yet effective tool, you can create breathing room and improve the organization of your toolbar.

One of the main features of 4th Toolbar Spacer is the ability to add a blank space between extension buttons. This can be helpful to separate different categories of extensions or simply create a more visually pleasing layout. Additionally, you can also add a divider icon or even customize your own keyboard icon for further customization and personalization.

Overall, 4th Toolbar Spacer is a useful tool for Chrome users who want to optimize their toolbar and have better control over the arrangement of their extension buttons. It provides a simple and intuitive way to create breathing room and improve the organization of your toolbar.