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Best admin CSS plugins for WordPress

The most popular admin CSS plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Admin CSS MU leads with 10K+ active installs, ahead of Custom Login Admin Front-end CSS (300+) and NO admin premium NAGS (100+). All 5 plugins tagged “admin css” 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.

Research this niche or see all plugins.

Top 4 admin CSS plugins

  1. 1.
    Admin CSS MU

    The most installed admin CSS plugin, with 10K+ active installs. Rated 4.5 from 26 reviews, last updated 1 year ago. Tested only up to WordPress 6.7.11.

  2. 2.
    Custom Login Admin Front-end CSS

    300+ active installs. Only 1 review so far, last updated 1 year ago. Tested only up to WordPress 6.7.11.

  3. 3.
    NO admin premium NAGS

    100+ active installs. Only 3 reviews so far, last updated 2 years ago. Tested only up to WordPress 6.5.14.

  4. 4.
    Custom CSS Injector

    30+ active installs. Only 1 review so far, last updated 9 years ago. Tested only up to WordPress 4.8.34.

All 5 plugins tagged “admin css”