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Best stylesheet plugins for WordPress

The most popular stylesheet plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WP Add Custom CSS leads with 60K+ active installs, ahead of Core Framework (10K+) and WP-LESS (10K+). All 22 plugins tagged “stylesheet” 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 10 stylesheet plugins

  1. 1.
    WP Add Custom CSS

    The most installed stylesheet plugin, with 60K+ active installs. Rated 4.8 from 89 reviews, last updated 1 year ago. Tested only up to WordPress 6.8.12.

  2. 2.
    Core Framework

    10K+ active installs. Rated 5.0 from 41 reviews, updated 5 days ago.

  3. 3.
    WP-LESS

    10K+ active installs. Rated 4.6 from 19 reviews, last updated 1 year ago. Tested only up to WordPress 5.8.19.

  4. 4.
    Custom CSS and JavaScript

    10K+ active installs. Rated 4.7 from 60 reviews, last updated 2 years ago. Tested only up to WordPress 6.6.11.

  5. 5.
    URL ShortCodes

    2K+ active installs. Only 1 review so far, last updated 7 years ago. Tested only up to WordPress 5.0.31.

  6. 6.
    Styles

    100+ active installs. No reviews yet, last updated 10 years ago. Tested only up to WordPress 4.4.34.

  7. 7.
    CSS Cache Buster

    100+ active installs. Only 1 review so far, last updated 17 years ago. Tested only up to WordPress 2.7.

  8. 8.
    Bootstrap

    100+ active installs. Only 2 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.6.1.

  9. 9.
    WP User Stylesheet Switcher

    100+ active installs. Rated 4.6 from 16 reviews, last updated 10 years ago. Tested only up to WordPress 4.6.30.

  10. 10.
    CSS Theme Override

    100+ active installs. Only 4 reviews so far, last updated 12 years ago. Tested only up to WordPress 4.0.38.

All 22 plugins tagged “stylesheet”