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Best add classes plugins for WordPress

The most popular add classes plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Custom CSS classes for images leads with 100+ active installs. All 1 plugins tagged “add classes” 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 add classes plugins

  1. 1.
    Custom CSS classes for images

    The most installed add classes plugin, with 100+ active installs. Only 3 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.2.39.

All 1 plugins tagged “add classes”