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Best registration captcha plugins for WordPress

The most popular registration captcha plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WM Simple Captcha leads with 100+ active installs. All 1 plugins tagged “registration captcha” 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 registration captcha plugins

  1. 1.
    WM Simple Captcha

    The most installed registration captcha plugin, with 100+ active installs. Only 4 reviews so far, last updated 10 years ago. Tested only up to WordPress 4.4.34.

All 1 plugins tagged “registration captcha”