ridhwanahsann

RMGCaptcha Math Guard adds a GDPR-friendly, math-based CAPTCHA to protect your forms from spam and brute force. No external services, no tracking, and fully WordPress.org compliant.
Features:
<ul>
<li>WordPress login protection (captcha on wp-login.php)</li>
<li>Contact Form 7 integration via [pmcMathcaptcha] / [pmcMathcaptcha*]</li>
<li>WooCommerce login and registration protection</li>
<li>Configurable difficulty and operations (Addition/Subtraction/Multiplication/Random)</li>
<li>Hide captcha for logged-in users</li>
<li>Custom error message support</li>
<li>Optional rate limiting and honeypot</li>
<li>Failed login log + logged user list (admin pages)</li>
<li>Translation-ready</li>
</ul>

RMGCaptcha Math Guard

A lightweight math CAPTCHA for WordPress login, Contact Form 7, and WooCommerce forms.

Shohidul Islam Apu

Math Captcha for Contact Form 7 is the ultimate lightweight security solution for your WordPress site. Stop spam submissions and bot registrations instantly without using heavy scripts like Google reCAPTCHA.
This plugin is no longer just for Contact Form 7! It has evolved into a complete security suite that protects your most critical forms, including WordPress Login, WooCommerce, and Tutor LMS.
<h3>🛡️ Key Features</h3>
<ul>
<li>Smart Math Logic: Choose from Addition (+), Subtraction (-), Multiplication (×), or Mixed (Random) challenges.</li>
<li>Dynamic Difficulty: Set difficulty levels (Easy, Medium, Hard) to balance security and user experience.</li>
<li>Smart IP Blocking: Automatically lock out IP addresses after too many failed attempts to prevent brute-force attacks.</li>
<li>WP Login Protection: Secure your default WordPress Admin Login page.</li>
<li>WooCommerce Integration: Protect WooCommerce Login and Registration forms from fake customer accounts.</li>
<li>Tutor LMS Support: ideal for course sites! Stop spam student registrations and logins.</li>
<li>User Experience: Option to hide captcha for logged-in users (Admins/Members).</li>
<li>Customizable Messages: Change the error message to match your site’s tone.</li>
<li>Lightweight & Fast: No external API calls, tracking scripts, or cookies. 100% GDPR compliant.</li>
</ul>

Math Captcha for Contact Form 7


Nice, clean and lightweight solution for adding Math Captcha to Contact Form 7. Works smoothly and keeps spam away without extra hassle. Good job, bro! 👏


Keeps spam away without extra hassle

Lightweight, easy to set up, and works perfectly. Spam stopped instantly without any hassle. Simple, clean, and effective — great job! 👏

Lightweight and Works Perfectly

A powerful, lightweight, and smart Math Captcha solution to block spam from Contact Form 7, WP Login, WooCommerce, and Tutor LMS forms.

RMGCaptcha Math Guard vs Math Captcha for Contact Form 7