ThinkCaptcha

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Secure WordPress and WooCommerce forms with Google reCAPTCHA. The best anti-spam, login security, and bot protection for your site.

Author:ThinkPlugin (profile at wordpress.org)
WordPress version required:5.5
WordPress version tested:6.9
Plugin version:1.1.6
Added to WordPress repository:20-09-2025
Last updated:25-09-2025
Rating, %:0
Rated by:0
Plugin URI:https://thinkplugin.com/thinkcaptcha/
Total downloads:223
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Enhance Your Website’s Login Security with the Power of Google reCAPTCHA

Are you tired of spam registrations, brute-force login attacks, and junk form submissions? ThinkCaptcha is the definitive Google reCAPTCHA plugin for WordPress, designed to provide maximum login security with a simple and modern interface. [cite: 3, 4] ThinkCaptcha allows you to easily add a login captcha, register captcha, and password reset captcha to your most vulnerable forms using Google’s user-friendly “I’m not a robot” checkbox (reCAPTCHA v2). [cite: 5] This is the ultimate spam protection and bot protection your site needs. [cite: 6]

Free Features for Essential Security:

  • WordPress Login Captcha: Implement a secure login captcha on your /wp-login.php page to stop brute-force attacks and enhance login security. [cite: 8]
  • WooCommerce Login Captcha: Protect your customer accounts by adding a WooCommerce captcha to the login form. [cite: 9]
  • WooCommerce Register Captcha: Stop fake user sign-ups with a robust register captcha on your WooCommerce registration form. [cite: 10]
  • Password Reset Captcha: Secure both WordPress and WooCommerce password reset forms from bot abuse. [cite: 11]
  • Optimized for Performance: The Google reCAPTCHA script loads asynchronously and only on pages where it is needed. [cite: 12]

???? Upgrade to ThinkCaptcha Pro for Ultimate Form Security!

Spammers target every form on your site. ThinkCaptcha Pro extends this powerful reCAPTCHA protection to create a comprehensive security shield. [cite: 14]

  • WooCommerce Checkout Captcha: The best way to prevent fraudulent orders and spam. [cite: 15] Add a checkout captcha to your WooCommerce checkout page. [cite: 16]
  • Contact Form 7 reCAPTCHA: Our most requested feature! [cite: 16] Add a Contact Form 7 reCAPTCHA to every contact form and eliminate junk mail forever. [cite: 17]
  • WPForms Captcha: Secure all forms created with WPForms with a powerful WPForms captcha. [cite: 18]
  • WordPress Register Captcha: Block spambots from creating user accounts on your main WordPress registration form with a secure register captcha. [cite: 19]
  • Secure your entire website today. Get ThinkCaptcha Pro Now! [cite: 20]

Third-Party Service Disclosure

This plugin connects to the Google reCAPTCHA service to protect forms from bots and spam. [cite: 20]
* Service Used: Google reCAPTCHA (a service provided by Google LLC). [cite: 21]
* What Data is Sent: To verify if a user is human, this service collects and sends hardware and software information, such as device and application data, to Google. [cite: 22] The user’s IP address is also collected. [cite: 23]
* When Data is Sent: This data is sent whenever a form protected by this plugin is displayed and submitted. [cite: 23]
* Links to Policies: The use of the Google reCAPTCHA service is subject to Google’s Privacy Policy and Terms of Service. [cite: 24]


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