WordPress Captcha Plugins

3D objects-based CAPTCHA to get rid of spam in comments.

Change default login site to a custom URL, block spam, bot registration, and brute-force using Google reCAPTCHA.

This plugin helps block bogus registrations by allowing a custom registration field and answer.

You want a captcha protected wplogin or wpadmin login? then use this plugin

Moderni contact form plugin gives a WP most flexible and usable contact form.WP-admin can use either captcha or simple contact form.

NF Captcha adds Really Simple CAPTCHA element for human check.

A very simple captcha solution for Gravity Forms.

实现网站登录用户和注册用户的时候，显示弹层中文点击验证码，防止恶意注册，恶意内容发表，恶意评论.

Lightweight, easy-to-configure Cloudflare Turnstile CAPTCHA protection for WordPress login, registration, comments, and password reset forms.

Private Captcha protects your WordPress website from spam and abuse with a privacy-first, independent CAPTCHA solution made in EU.

Protect your cf7 forms against spam and brute-force attacks. The plugin is invisible, compliant to GDPR and DSGVO.

SecurelyWP is a simple security plugin that protects your WordPress site right after activation—no setup needed for most features.

LazyCaptcha is a small and lazy plugin to prevent bots from spamming your comments.

A total simple contact form with captcha, support multilinguality.

antispam question for signup and comment forms of wordpress, set by admin, supports Multisite mode

Pipe Recaptcha is funny, easy and more secure from spammers. It can be added into Contact form 7, Comment form, Registration form, Login form simply.

Asks the visitor making the comment to key in the disappeared chinese word. This is intended to prove that the visitor is a human being but a spam rob …

WordForm – A powerful yet user-friendly drag-and-drop form builder for WordPress websites. Effortlessly create custom forms with advanced field option …

AI-powered, invisible CAPTCHA for WordPress forms – login, registration, WooCommerce, and more. Block bots without annoying your users.

This plugin add a simple math captcha to comment form.no javascript,no css included,just some php code.should just stop robot spammers.

Slide Captcha it is a WordPress plugin that add a slide captcha field to the WordPress comment form.

Coinhive Captcha to your logins and comments and protect your site while earning Monero.

An easy and powerful form builder that lets your visitors send you email. Blocks all automated spammers. No templates to mess with.

CAPTCHA in Thai เป็นการบริการฟรี CAPTCHA ที่เป็นภาษาไทย ในลักษณะของการแก้ไขคำที่มักเขียนผิด คำอ่าน สุภาษิต และคำราชาศัพท์ต่างๆ

Captcha Enjoy ile sitenizi botlardan koruyun, site içerigiyle ilgili eglenceli sorularla kullanıcılarınızı göz bozan captchalardan kurtarın.

An easy to modify poll system that uses Google Charts to display the results

Complete site security with Cloudflare Turnstile, Math & Character CAPTCHA. High-performance protection for Login, Registration, and Comment forms.

Integrates a logic captcha to verify that the registrant is a human and not a spam bot instead of using distorted images or audio.

Provides functions to easily display and validate a reCAPTCHA

Custom Responsive Contact, Login & Register Forms with Captcha. Redirection of Register and Login links to a theme based Register page.

The plugin adds a fancy drag and drop (or click on mobile and tablets) captcha field to specific forms you choose by inserting the tag, classname or f …

A new captcha system that uses simple question based questions instead of the other complicated image based systems. It also uses a IP/Bot monitor tha …

Lemin Captcha is uniquely playful, robust, and effective. Through gamification, we are curing the pains of traditional CAPTCHA.

Add a honeypot and Google reCAPTCHA V2 (noCAPTCHA CAPTCHA) to the log in form, registration form, and comment form

Affiliates, Affiliates Pro and Affiliates Enterprise integration with the Captcha plugin.