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. Improve form security, lightweight, and no unnecessary code.

Blocks spam comments, fake users, contact form spam and more. No impact on SEO. Privacy focused. CAPTCHA free, premium Antispam plugin.

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.

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

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。

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, and unwanted spam - Every email will be real and valuable (For all Contact-forms/Comments and Registration forms).

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

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

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

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!

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

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

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

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.

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

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

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

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

The #1 Plugin for Blocking Form Spam on WordPress

Stop Contact Form 7 spam and WPForms spam instantly. Free spam protection for business sites. No CAPTCHA. No API keys. Just works.

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 …

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

Simple plugin to trap the spam comments using honeypot technique.

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

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).

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

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

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

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

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

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

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.

Protect your WordPress site: firewall, bot & brute-force protection, anti-spam, multi-layer CAPTCHA, optional cloud threat intel.

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

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

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 …

Auto-Close keeps your site clean by automatically closing comments, pingbacks, and trackbacks—so you can focus on content, not cleanup.

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.

This plugin adds Google's reCAPTCHA form to your BuddyPress' registration page to keep your community spam-free! You can use out simple opti …

Very effective anti-spam plugin that eliminates comment spam, and registration spam. Combines many effective methods for identifying spammers and keep …

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)

Zero Spam makes blocking spam comments and registrations easy.