Firefox users have long been familiar with the toolbar, a row of icons that sits at the top of the browser window. But with Firefox 57, Mozilla is introducing a new way to use toolbars: by combining them. The new “Compact Mode” lets you hide all but the four most important toolbars, leaving more screen space for your web page. To use Compact Mode, click on the three lines in the toolbar’s top right corner and select “Compact.” To restore your old toolbar layout, click on the three lines again and select “Normal.” Compact Mode is available in Firefox 57 and later. ..
Hide the Menu Toolbar with Personal Menu Extension
There are a number of ways to hide the Menu toolbar, but I prefer using the Personal Menu extension. Once you’ve installed the extension, you’ll be able to hide the menus toolbar:
To show the menu toolbar again you can use the Alt key. You’ll also notice that some new items will be added to your menu, which can be customized or just removed.
Download Personal Menu Extension from Mozilla Add-ons
Combine Bookmarks Toolbar & Navigation Toolbar
You might already know this, but you can move the bookmarks from the Bookmarks toolbar and onto any other toolbar. Right-click on the menu and choose Customize…
Then click and drag the “Bookmarks Toolbar Items” to another toolbar… I chose to move them to the Navigation toolbar.
Now you’ll be able to hide the Bookmarks Toolbar as shown:
If you hide the Status bar via the View menu, you’ll end up with an extremely streamlined browser:
There are other customizations you can do as well, such as removing the Go button to save even more space.
