This means that you can add or remove buttons from the toolbar in order to customize your individual experience. To add a new button to the Firefox toolbar, right click on any of the toolbar icons ...

and you can add further buttons to expand the toolbar. For example, if you work in desktop publishing and frequently change the size of your page, you can add a button for changing paper size ...

Click on the icon to add or remove the extension from your toolbar. You can reorder them by clicking and dragging them around. Chrome doesn’t appear to put a hard limit on how many you can pin ...

Free extension Mega Button puts shortcuts to some of Chrome's most accessed settings right in your toolbar. Mega Button ... You can, of course, add these to your bookmarks bar as well, but this ...