Do you want to customize the width of your WordPress admin menu? Whether you need more space for long menu item names or prefer a more compact view, adjusting the width can help you create a workspace that suits your requirements.
With the Nexter Extension (Free) plugin, you can easily adjust the WordPress admin menu width.
How to Increase WordPress Admin Menu Width with the Nexter Extension?
To adjust the WordPress admin menu width with Nexter Extension, from the WordPress Dashboard, go to Nexter Extension > Admin Interface.
Then go to the Wider Admin Menu section, enable the toggle, and click on the gear icon (⚙).

It will open the Wider Admin Menu pop-up.
From the Menu Width section, you can adjust the WordPress admin menu width.
Once done, click on the Save button.

Now you’ll see the WordPress admin menu width as per your settings.