Best antispam plugins for WordPress

TapHuman

#49,803

by Kate1 month ago

Stop bots with gamified, privacy-first CAPTCHAs. Zero telemetry. Zero tracking. Powered by cryptographic Proof-of-Work. One-click setup.

MarketVistaAi Site Hardening

Up in the last 7 days:15,509#50,019

by MarketVistaAi1 month ago

WordPress hardening, local form and comment spam protection, recoverable spam review and configuration checks.

DawsonyWeb Spam Protection and API Hardening

Down in the last 7 days:152#53,594

by DawsonyWeb14 days ago

Block comment spam, disable XML-RPC, restrict the REST API, stop user enumeration and block IPs, without a heavy security suite.

Free Net of Moderators

Up in the last 7 days:18,649#54,200

by moderateit6 years ago

Maintaining a culture of online communication in the hands of the users themselves.

Char O’Day

#54,518

by hawkeyepierce898 days ago

Offline-first comment spam protection for WordPress with multiple configurable detection checks.

***** Ctanfor Anti-Spam *****

#55,390

by jackcb7 years ago

Ctanfor Anti-spam is a small and lightweight anti-spam plugin. It is free for personal and commercial use. The vast majority of filtering operations a …

DamaSoft Antispam

#56,137

by DamaSoft1 month ago

Local antispam for comments and WooCommerce reviews. Honeypot, browser check, heuristics and a self-learning filter. No external service.

Inverted Checkbox Antispam

Down in the last 7 days:1,940#56,217

by Yevhen Horbyshyn1 year ago

Simple spam protection using an inverted checkbox. Compatible with Contact Form 7 and custom HTML forms.

JevShield AI Anti-Spam for Forms

Down in the last 7 days:6,673#56,339

by elpx1 month ago

AI message checks with Observe and Block modes for Contact Form 7, WPForms, Elementor, and WordPress Comments.

Hajik Form Guard

Down in the last 7 days:2,733#56,561

by hatanaka3 months ago

Stops form spam and filters unsolicited sales emails using the Hajik cloud service. Built for Japanese-language forms. Account required.

Formsieve

Up in the last 7 days:8,328#58,235

by Thinking4212 days ago

Keep spam bots and hand-typed sales pitches out of Contact Form 7 (CF7) and Gravity Forms. By default, uncertain messages still reach you.

AI Spam Comment Detector

Up in the last 7 days:9,858#58,657

by Rashed Hossain1 year ago

AI-powered comment spam detection using GPT-4. Blocks spam comments with inline user warnings—no CAPTCHA needed.

Gecka Antispam

#58,726

by Gecka12 days ago

Stops spam on every form without a captcha: honeypot, timing checks and a filter that learns from your moderation. Nothing leaves your server.

Data443 Anti-Spam

Up in the last 7 days:1,289#60,117

by Data443 Risk Mitigation, Inc.2 months ago

Blocks comment and form spam by classifying the URLs it contains against the Data443 classification API.

Rabbitproof

#61,396

by rabbitproof6 days ago

Blocks spam bots, fake sign-ups and password guessing on WordPress. Free, with no puzzles for your visitors.

QWeb Spam Shield

Down in the last 7 days:3,683#61,895

by qwebmaster2 months ago

Stop spam on every form, comment, review, signup and WooCommerce checkout, with no CAPTCHA and no external calls. Card-testing defense built in.

Neutrope Quiet Shield

Down in the last 7 days:11,587#65,209

by Neutrope Inc.4 months ago

Quietly deflect spam and unsolicited sales messages sent through Contact Form 7. Lightweight, no external calls, no stored personal data.

Mailfix Contact Forms

Down in the last 7 days:2,848#65,894

by Mailfix4 months ago

Secure contact form with a visual form builder, AJAX submissions, stored messages, email notifications, mail logs, SMTP settings, and CSV export.

FormGhost

Down in the last 7 days:1,201#65,909

by byabdallatoday

Invisible 9-layer spam protection — the spam never happened. Zero CAPTCHAs. Zero cloud. 100% free. GDPR-compliant by design.

Spamex

#66,016

by SuccessMedia1 year ago

Protect email addresses and phone numbers from spam bots with a simple shortcode.

Vextor Quick Form JS

#66,044

by vext0r5 months ago

This plugin allows you to make your email forms simpler and easier to use

Commentinel Spam Comment Cleaner

Down in the last 7 days:3,313#67,666

by Adnaniq1 month ago

Find spam comments by links, author URL or SQL injection probes, then bulk delete them in one click. Clean up thousands of comments fast.

VisualWP Anti-Spam and Fraud Prevention

#67,833

by sightfactory8 months ago

Increase security and protect against bots, spammers and hackers with VisualWP Anti-Spam and Fraud Prevention

HashCash

Down in the last 7 days:14,730#67,957

by RicheyWeb4 months ago

Invisible Proof-of-Work CAPTCHA. No checkboxes, no image grids, no Google, no tracking. Just spam protection that gets out of the way.

Synth Antispam

Down in the last 7 days:2,547#69,832

by Synth AI1 month ago

AI comment spam protection for WordPress. No CAPTCHA, no keyword lists, no auto-deletion. One-click setup with explainable verdicts.

CrafyCAPTCHA

#70,227

by crafycaptcha14 months ago

Advanced bot protection with adaptive friction for WordPress and WooCommerce.

Conversion.Business Gamified CAPTCHA

#71,259

by Kate3 months ago

Frictionless, gamified, native GDPR compliant CAPTCHA for WordPress and WooCommerce. Stop bots without annoying your customers.

SpamLens

#71,782

by VeronaLabs28 days ago

Stops spam in comments, WooCommerce reviews and Contact Form 7 with Jev, TypeSafe AI's decision model.

Crypto Mailto Defender

#72,130

by Marco Petrucci15 days ago

🛡️ Enterprise-grade email spam protection. Encrypts mailto: links and plain emails server-side with AES-256-GCM and unlocks them only for real humans.

LanceDesk Form Guard

Down in the last 7 days:19,602#72,441

by Lance Desk16 days ago

Block contact form and comment spam with local heuristics and optional AI before emails send or comments publish.

AI Ban Spam Comment

#73,259

by naimgr832 years ago

This plugin uses the OpenAI gpt-4o and gpt-4-turbo models to analyze and filter comments made on your texts.

Thia Aide Comment Moderator

Down in the last 7 days:2,859#73,415

by thiaide4 months ago

Automatically moderate comments using Thia Aide AI to block spam, threats, and offensive content.

Robse Form Guard

Down in the last 7 days:15,780#73,527

by robsejp24 days ago

Stops Japanese cold-sales messages reaching your contact form, and keeps each one it blocks so you can check for false positives.

SpamBlocker AI

Down in the last 7 days:3,987#73,630

by omnipress1 year ago

Protect your WordPress site from spam comments and form submissions using AI-powered detection with Gemini or OpenAI.

Kowalski Smart Shield

Down in the last 7 days:12,625#74,243

by kowalskismart14 days ago

Local, rule-based spam protection for WordPress forms, with scoring, monitoring, blocking and event logs. Release candidate.

Sargas reCAPTCHA

Down in the last 7 days:2,743#74,487

by Sargas3 years ago

reCAPTCHA for login, signup, comment, WooCommerce, Mailchimp and other forms.