webdeveric

This plugin allows you to shorten or hide the description under each widget on the the widgets admin page.

Trim Widget Descriptions

This plugin allows you to shorten or hide the description under each widget on the the widgets admin page.

cperko

The WordPress customizer is an amazing tool that developers can use to make their themes easily customizable by their users.
However, creating fields for it requires quite a bit of coding, and lots of trips to the Codex. WPCUI uses a user-friendly design 
to allow the developer to create sections and controls, and get on to what really matters… creating amazing websites!

Customizer UI

Designed to help WordPress developers quickly and easily add Customizer sections and controls.

Trim Widget Descriptions vs Customizer UI