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  7. ThinkCaptcha – Login Captcha, Register Captcha & Checkout reCAPTCHA

ThinkCaptcha – Login Captcha, Register Captcha & Checkout reCAPTCHA

Secure WordPress & WooCommerce forms with Google reCAPTCHA. Stop spam, bots, and brute-force attacks effectively.

40+ active installsFree on WordPress.org
View on WordPress.orgSupport forum
Will this break my store?

What the WordPress.org registry says about keeping ThinkCaptcha – Login Captcha, Register Captcha & Checkout reCAPTCHA running.

WordPress compatibility
Tested to 6.9.5 — 1 branch behind 7.0
Tested against the WordPress branch in use today.
Last updated
8 months ago
At least 5.7 releases a year since launch. WordPress.org only lists versions still available for download, so the real number may be higher.
Requires PHP
false
Your host must be running at least this version.
Requires WordPress
5.5
Contributors
1
A single maintainer. Worth knowing if the plugin is load-bearing for your store.
40+ active installsWordPress.org reports installs in bands, not exact counts.
Maintenance & trust

Scored on how ThinkCaptcha – Login Captcha, Register Captcha & Checkout reCAPTCHA is looked after — not on how many stores run it.

Solid
Not enough public feedback to put a confident number on this one. Little public feedback — score rests mostly on release activity. What we can see is below.
Maintenance
26 / 35
Updated 244 days ago.
WordPress compatibility
14 / 20
Tested to WP 6.9.5, 1 branch(es) behind.
Support responsiveness
Not enough data
Only 0 support thread(s) — not enough to judge.
Merchant satisfaction
Not enough data
No ratings yet.
Listing transparency
10 / 10
Provides: screenshots, description, homepage
2 of 5 measures had too little evidence to score. They are left out of the total rather than counted as zero — otherwise a plugin would be marked down for being small rather than for being poorly kept.Measured 2026-08-01 from the WordPress.org plugin registry.
Ratings

No one has rated this plugin on WordPress.org yet. That is a statement about the ratings page, not about the plugin — plenty of well-kept plugins never collect them.

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.
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).
This is the ultimate spam protection and bot protection your site needs.
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.
  • WooCommerce Login Captcha: Protect your customer accounts by adding a WooCommerce captcha to the login form.
  • WooCommerce Register Captcha: Stop fake user sign-ups with a robust register captcha on your WooCommerce registration form.
  • Password Reset Captcha: Secure both WordPress and WooCommerce password reset forms from bot abuse.
  • Optimized for Performance: The Google reCAPTCHA script loads asynchronously and only on pages where it is needed.

🚀 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.

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

Third-Party Service Disclosure

This plugin connects to the Google reCAPTCHA service to protect forms from bots and spam.
* Service Used: Google reCAPTCHA (a service provided by Google LLC).
* 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.
The user’s IP address is also collected.
* When Data is Sent: This data is sent whenever a form protected by this plugin is displayed and submitted.
* Links to Policies: The use of the Google reCAPTCHA service is subject to Google’s Privacy Policy and Terms of Service.

How do I add a login captcha for WordPress login security?

ThinkCaptcha makes it easy. After installing and adding your Google reCAPTCHA keys, simply go to the ThinkCaptcha settings page and toggle on “WordPress – Login Form”.
A secure login captcha will automatically be added to your login page, dramatically improving your site’s login security against brute-force attacks.

How can I add Google reCAPTCHA to my WooCommerce forms?

Our plugin offers deep integration with WooCommerce.
You can add a WooCommerce captcha to the login, registration, and password reset forms directly from our settings panel with a single click.
The Pro version also allows you to add a checkout captcha.

Does this plugin work as a Contact Form 7 reCAPTCHA solution?

Yes!
The Pro version is the perfect Contact Form 7 reCAPTCHA plugin.
It automatically integrates with all your CF7 forms to block spam submissions effectively.

What is the difference between a captcha and reCAPTCHA?

“Captcha” is the general term for a test to tell humans and bots apart.
“reCAPTCHA” is Google’s specific, advanced version of a captcha, which uses sophisticated risk analysis to provide a better user experience.
ThinkCaptcha uses Google’s secure and user-friendly reCAPTCHA v2.

Does this plugin slow down my site?

No.
The plugin is lightweight, and the Google reCAPTCHA script is loaded asynchronously using WordPress best practices, meaning it doesn’t block your page from loading.
It only loads on pages where the captcha is active.

Categories
Security & spam
Plugin details
Version1.1.6
Last updated2025-11-30 10:34am GMT
Added2025-09-20
Requires WordPress5.5
Tested up to6.9.5
Requires PHPfalse
Tags on WordPress.org
google recaptcha
login captcha
register captcha
security
woocommerce captcha
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