Best user interface plugins for WordPress
The most popular user interface plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Resizable Sidebar for the Gutenberg Block Editor leads with 3K+ active installs, ahead of SeeMax Resizable Editor Sidebar (100+) and Customizer UI (30+). All 7 plugins tagged “user interface” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 6 user interface plugins
- 1.
Resizable Sidebar for the Gutenberg Block EditorThe most installed user interface plugin, with 3K+ active installs. Rated 4.6 from 9 reviews, updated 1 month ago.
- 2.
SeeMax Resizable Editor Sidebar100+ active installs. Only 2 reviews so far, updated 1 month ago.
- 3.
Customizer UI30+ active installs. Only 1 review so far, last updated 5 years ago. Tested only up to WordPress 5.7.21.
- 4.
Kento Lazy Page Loader10+ active installs. Only 2 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.2.39.
- 5.
Button It Up10+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.4.2.
- 6.
Admin Taxonomy Autocomplete10+ active installs. Only 1 review so far, last updated 12 years ago. Tested only up to WordPress 3.7.41.
All 7 plugins tagged “user interface”
Resizable Sidebar for the Gutenberg Block Editor
Up in the last 7 days:16#3,852by Toast Plugins1 month ago
An intuitive solution to make the default WordPress Gutenberg sidebar resizable.
- Installs
- 3K+
- Rating
- 4.6(9)
- Downloads
- 76/day
SeeMax Resizable Editor Sidebar
Down in the last 7 days:48#13,853by seemaxwork21 month ago
A simple button interface to make the WordPress Gutenberg sidebar resizable.
- Installs
- 100+
- Rating
- 5.0(2)
- Downloads
- 6/day
Customizer UI
Up in the last 7 days:451#24,139by cperko5 years ago
Designed to help WordPress developers quickly and easily add Customizer sections and controls.
- Installs
- 30+
- Rating
- 4.0(1)
- Downloads
- 0/day
Kento Lazy Page Loader
Down in the last 7 days:2,136#45,902by PluginsPoint11 years ago
Use Kento Lazy Page Loader and beatify your loading icon while your viewer waits for your website to load.
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 0/day
Button It Up
Down in the last 7 days:2,492#46,763by parisvega14 years ago
Button It Up changes the upload/insert button style to look like an actual button.
- Installs
- 10+
- Rating
- –
- Downloads
- 6/day
Admin Taxonomy Autocomplete
Down in the last 7 days:277#47,224by Edward Ruchevits12 years ago
Adds autocomplete functionality to all taxonomy input fields in admin panel.
- Installs
- 10+
- Rating
- 4.0(1)
- Downloads
- 0/day