WordPress anti-spam plugins

The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam solution for WordPress and WooCommerce.

Sophisticated antispam plugin for effective daily comment and trackback spam-fighting. Built with data protection and privacy in mind.

Fastest growing Anti Spam plugin. No API calls, subscriptions, captcha or puzzle. Full GDPR complaint. For comments, contact form, login, registration

Add hCaptcha, Honeypot, and Redirection to Contact Form 7 with CF7 Apps, and generate forms effortlessly with AI. Improve form security, keep it light …

Top-rated antispam for contact forms, comments, WooCommerce, eCommerce, and login. No CAPTCHAs, no friction, just background anti spam protection.

A lightweight plugin that protects email addresses from email-harvesting robots, by encoding them into decimal and hexadecimal entities.

Enhance your Gravity Forms to include anti-spam measures originally based on the work of David Walsh's "Zero Spam" technique.

管理画面とログインURLをサイバー攻撃から守る、国産・日本語対応のセキュリティ対策プラグインです。 かんたんな設定を行うだけで、不正アクセスや不正ログインからあなたのWordPressを保護します。

Protect email addresses and phone numbers on your site and hide them from spambots. Easy to use & flexible.

A simplified, restored, and preserved version of the original Stop Spammers plugin.

Blackhole is a WordPress security plugin that detects and traps bad bots in a virtual black hole, where they are denied access to your entire site.

No more fake leads or unwanted submissions — Maspik blocks spam instantly across all forms without using CAPTCHA.

An extremely powerful antispam plugin that blocks spam-bots without annoying captcha images.

The ultimate solution to stop spam comments in the default commenting system of WordPress

A trustworthy antispam plugin for Contact Form 7. Wave goodbye to spam and keep your inbox clean!

Stop comment spam in WordPress with the honeypot technique. No captcha, no setup, lightweight and invisible to your visitors.

ALTCHA offers a free, open-source Captcha alternative, ensuring robust spam protection while respecting user privacy and GDPR compliance.

Remove Comment Author Link & Links from Comments, Unlink, Disable Comments, Delete All Pending Comments. AI Auto Comment Reply, Voice, Attachments

Kills spam dead in it's tracks. Be gone evil demon spam!

Protect your forms from spam with 99.9% accuracy - no CAPTCHA, no JavaScript, no tracking. Trusted by 3.5M+ websites.

Captcha Bank is a anti-spam captcha plugin for WordPress forms that adds secure image captcha or math captcha to prevent spam.

Anti-spam - CAPTCHA that protects all forms against spam and brute-force. Invisible and GDPR-compliant.

Feel safe knowing that your website is safe from spam. La Sentinelle will guard your WordPress website against spam in a simple and effective way.

Stop bots, brute force, spam, and fake crawlers before they reach WordPress. Three-layer firewall, 9 CAPTCHAs, FCrDNS, 2FA. Setup in 60 seconds.

Asks commenters to complete a simple CAPTCHA if they don't have a previously approved comment, or if Akismet thinks their comment is spam.

Block comment spam, malicious logins, and automated registrations by adding the powerful CAPTCHA protection of Securimage-WP to your WordPress site.

Simple IP Ban is a lightweight ip / user agent ban plugin.

Email Address Obfuscation prevents email harvesting by hiding email address appearing in your pages, while remaining visible to your site visitors.

Restrict the usernames, email addresses, characters and symbols or email from specific domain names or language in registration ...

The #1 Plugin for Blocking Form Spam on WordPress

Block spam on Contact Form 7, WPForms & comments. No API key. GDPR compliant. Free for commercial use. No configuration needed.

Add Cloudflare Turnstile to WordPress, Contact Form 7, WooCommerce, WPForms, BuddyPress & Elementor. A CAPTCHA, reCAPTCHA alternative for WordPress.

Anti-Captcha is a transparent spam solution that does not require any end-user interaction.

Disable default WordPress registration page, remove register link and stop registration spam, without disabling user registration.

REPLACEMENT of the original Simple Trackback Validation Plugin from Miachel. Performs a simple but very effective test on all incoming trackbacks in o …

Spam protection for WordPress registration, login, comments, and contact forms.

Universal Honey Pot is a powerful and user-friendly WordPress plugin that provides a plug-and-play solution for protecting your forms against unwanted …

Simple plugin to trap the spam comments using honeypot technique.

Intelligent spam protection for WordPress forms, comments, and reviews. No CAPTCHA needed. Works with WPForms, Contact Form 7, WooCommerce, and more.

Block unwanted email registrations on your site with this email blacklist plugin. Protect your site by preventing spam sign-ups.

WordPress plugin to fight with 2040+ referrer spammers (like semalt, buttons-for-website and many more).

Simple question that blocks most spambots (and paid robots) by making them answer a common sense question

Prevent and stop bots traffic. This plugin inserts in your website the CloudFilt codes for the security tracking available on https://cloudfilt.com/.

The lightest contact form for WordPress. It's so essential you'll either love it or hate it. Ultra lightweight and no spam.

Block spam with cookies and JavaScript. All Spambots will remain away from your blog. Without settings or Captcha, install and forget the spam.

This plugin protects your Wordpress and Buddypress login, comments, and new user/new blog signup process against spambots with a simple math question.

Add Cloudflare Turnstile CAPTCHA to WordPress, WooCommerce, Elementor, and popular form plugins with privacy-first server-side verification.

Stops spammy automated user registrations using a custom question.

SPAM Blocker for WordPress, formerly Contact Form 7 Manual Spam Blocker, is an easy-to-use plugin to block all those spammers who manually fill out fo …

Anti-spam check the robots by behavior. No captcha. Antispam let robots do so as a human can't do.

Real-time email validation for WordPress forms. Block invalid, disposable, and risky emails to keep your database clean and improve deliverability.

This antispam plugin provides very simple(one-click) and powerful captcha for your blog.

A simple yet effective Spam Filter. A Widget and Shortcode to display Comments with Good Karma as Testimonials. Plus the ability to Move comments and …

Add honeypot anti-spam functionality to the popular woocommerce plugin.

Anti-Spam protection for the most popular and widly used formbuilders and plugins. GDPR compliant.

yaCAPTCHA is a CAPTCHA plugin for WordPress that helps you block comment spam from automated bots.

Combat spam registrations for a BuddyPress-powered site using Google's reCAPTCHA

Limit rate of login attempts, including by way of cookies, for each IP. Fully customizable.

Auto approve comments by Commenter (email, name, url), User and Role (Akismet and wpDiscuz compatible)

This plugin utilizes reCAPTCHA to help your blog stay clear of spam-registrations.