Clean Admin Menu - Magento 2 Extension
It will merge all 3rd party extensions menu items in backend's primary menu to a common menu item named "Extensions". It will also merge different 3rd party extension tabs under path
Store > Configuration
to a single tab named "Extensions" and place it after native Magento tabs.
Comparision - admin before this extension and after
composer require redchamps/module-clean-admin-menu
Contributions are more than welcome :-)
Please visit our store https://redchamps.com for more free/paid extensions from us.