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Best CSS customizer plugins for WordPress

The most popular CSS customizer plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Simple CSS leads with 80K+ active installs. All 1 plugins tagged “CSS Customizer” 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 1 CSS customizer plugins

  1. 1.
    Simple CSS

    The most installed CSS customizer plugin, with 80K+ active installs. Rated 4.9 from 60 reviews, last updated 1 year ago. Tested only up to WordPress 6.8.12.

All 1 plugins tagged “CSS Customizer”