A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
Alternatives to WP Light Captcha
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Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Mathlock Guardv2.0
Protects your site with a lightweight math CAPTCHA, requiring visitors to solve a simple question before accessing your content.
Lightweight, self-hosted captcha field for Fluent Forms — image, math and question/answer challenges. No external services, no tracking.
Dlit Easy Math Captchav1.5.2
A simple math captcha plugin for comments, login, registration, WooCommerce reviews, and Contact Form 7.
"DS CF7 Math Captcha" is a math captcha with refresh captcha functionality to prevent unwanted spam for your contact form 7 plugin.
Apply a simple mathematical captcha to specific buttons by providing their CSS class or ID to prevent spamming.
A powerful, lightweight, and smart Math Captcha solution to block spam from Contact Form 7, WP Login, WooCommerce, and Tutor LMS forms.
Adds a beautiful math CAPTCHA to the WordPress login page. No API keys, no paid services — 100% free.
Math CAPTCHA for CF7, WPForms, and any HTML form. Zero config — install, add shortcode or use auto inject from settings.
Lightweight WooCommerce account security with math CAPTCHA, honeypots, bot checks, and brute-force protection.