Best anti-spam plugins for WordPress
234 plugins tagged “anti-spam” on WordPress.org, in its popular order and updated daily. Research this niche or see all plugins.

MUTE
Up in the last 7 days:2,519#26,602by Masahiro Matsuzaki2 days ago
Stop spam and AI bot attacks from your contact forms. No CAPTCHA, no friction. Bots are blocked silently while real inquiries get through.
- Installs
- 20+
- Rating
- 5.0(2)
- Downloads
- 11/day

SolverGuard Spam Shield
Up in the last 7 days:111#26,913by solverwp4 months ago
The most complete free WordPress anti-spam plugin. Protects Contact Form 7, comments, login, registration, REST API, and XML-RPC — all in one shield.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day
Fancy Captcha
Up in the last 7 days:538#26,921by leo10814 years ago
Fancy Captcha is a jQuery plugin that helps you protect your web pages from bots and spammers. 通过拖动解锁来实现评论验证。
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 0/day

Never Loose Contact Form
Down in the last 7 days:39#27,119by andy_moyle1 year ago
Spam proof contact form that emails you the message and saves it in database.
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 0/day

Concise Antispam
Down in the last 7 days:304#27,880by Concise Studio4 years ago
Very simple antispam plugin. Users do not need to enter any captcha, working completely on background. No need to administer: just install the plugin …
- Installs
- 20+
- Rating
- 5.0(2)
- Downloads
- 0/day
CaptchaFlow
Up in the last 7 days:320#28,192by Template Sell2 months ago
Protect Contact Form 7, WPForms, WooCommerce, login, comments and more with Cloudflare Turnstile, reCAPTCHA, hCaptcha, or no-signup challenges.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day

SimpleForm Akismet
Down in the last 7 days:74#28,219by WPSForm2 years ago
Do you get junk emails through your contact form? This plugin for SimpleForm helps prevent spam submission.
- Installs
- 20+
- Rating
- –
- Downloads
- 2/day

CIDRAM
Down in the last 7 days:759#28,536by Maikuolan3 days ago
CIDRAM: A PHP-level CIDR/IP-based firewall solution.
- Installs
- 20+
- Rating
- 5.0(12)
- Downloads
- 11/day

Contact Camo
Up in the last 7 days:356#28,760by Plan Left4 months ago
Contact Camo protects email addresses from scrapers and bots — now with a native Gutenberg block so you can build beautiful, protected contact experie …
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day

FormShield
Down in the last 7 days:9#29,007by GDimitrov6 months ago
FormShield protects your forms from bot spam using advanced pattern matching and behavioral analysis. No annoying captchas, unlimited forms.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

AntiSpam Shield by LukaCodes
Up in the last 7 days:30#29,127by LukaCodes5 months ago
Block comment spam, brute-force logins and bot registrations with reCAPTCHA v3 or Cloudflare Turnstile. Lightweight, no bloat.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Nullis Shield
#29,221by Edward Samuel (Enigmaking)1 month ago
A Prevention-First security engine that eliminates bots before they hit your database. Lightweight, zero-bloat, and incredibly fast.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day

JG Spam Fighter
Up in the last 7 days:208#29,261by Jay Gaura7 years ago
A simple to use plugin that helps you keep your WordPress site clean of spam comments.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

No Spam AI
Down in the last 7 days:496#29,310by nospamai1 year ago
AI-powered spam filtering for Gravity Forms. Automatically detects and blocks spam submissions using advanced AI algorithms.
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 0/day

Simon's Simple Contact Form
Up in the last 7 days:317#29,719by Simon Ward8 months ago
A lightweight WordPress contact form plugin with 18 themes, SMTP support, Google reCAPTCHA or internal captcha, and instant theme switching.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Artiman Guard
Up in the last 7 days:1,206#30,075by ArtimanWeb16 days ago
Self-hosted form abuse protection, registration firewall, 404 bot shield and SEO crawl protection.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

WPCoreTools Disposable Email Guard
#30,090by Wp Core Tools16 days ago
Block disposable, burner, and temp-mail addresses on WordPress and WooCommerce sign-ups, comments, checkout, and any custom form. Works fully offline.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

GB Anti-Spam for Contact Form 7
#30,115by gregbialowas4 months ago
Lightweight anti-spam protection for Contact Form 7 without CAPTCHA. More details: https://gregbialowas.com/anti-spam-cf7
- Installs
- 10+
- Rating
- –
- Downloads
- 2/day

WPCoreTools Email Verify
#31,022by Wp Core Tools16 days ago
Simple email verification for WordPress and WooCommerce. Click-a-link confirmation — no OTP, no popup, no third-party API.
- Installs
- 10+
- Rating
- –
- Downloads
- 6/day

Blueforce Spam Protect
Down in the last 7 days:102#31,261by blueforce6 days ago
Blocks form and comment spam without captcha. All checks run on your own server, your visitors' messages never go to an external service.
- Installs
- 10+
- Rating
- –
- Downloads
- 11/day

hostily Captcha
Up in the last 7 days:40,844#31,469by connect - Media & Teledienst4 days ago
Spam protection for comments, login, registration, WooCommerce and form plugins. Hosted in Germany, no cookies, no image puzzles.
- Installs
- 10+
- Rating
- –
- Downloads
- 23/day
Super Simple SPAM Stopper
Up in the last 7 days:259#32,976by bgribaudo11 years ago
Prevents automated SPAM by requiring visitors to answer a question of your choosing (plaintext or regex).
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Kratos Anti Spam
#33,066by softpill.eu11 years ago
Stop SPAM! Stop HAKING! No annoying CAPTCHA for your users! As simple as that!
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Defer for Contact Form 7
Down in the last 7 days:1,181#34,489by Ryabinin Vitalii6 days ago
Takes Contact Form 7 off the critical rendering path: moves its head scripts to the footer and loads the form CSS asynchronously. No PageSpeed hit.
- Installs
- 10+
- Rating
- –
- Downloads
- 11/day
EmailToAscii
#36,373by Bensventures16 years ago
EmailToAscii replaces email addresses in the content (post or page) by their ascii translation in order to avoid spam bots.
- Installs
- 10+
- Rating
- –
- Downloads
- 1/day
BJH Website Assistant
Up in the last 7 days:5,106#37,343by bjhee10 years ago
The WordPress plugin that provides small functions to help your website working better.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day
Back List
#38,001by w3prodigy16 years ago
Adds Whitelist and Blacklist options for Trackbacks and Pingbacks
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
FreeContactFormDotCom
#38,755by freecontactform6 years ago
A simple free contact form with text-based spam prevention.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day

Sergeev Studio Captcha for Elementor Forms with Yandex SmartCaptcha
#39,585by sergeev.studio1 month ago
Invisible bot and spam protection for Elementor Pro forms using Yandex SmartCaptcha.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
SecureFusion
#40,327by fyndsoft3 months ago
Lightweight, high-performance security suite. Protects from brute-force logins, DDoS pingbacks, bad request injections, and manages CSP headers.
- Installs
- 10+
- Rating
- 5.0(3)
- Downloads
- 0/day

Tiny Comment Spam Blocker
Up in the last 7 days:439#40,686by Kasuga2 months ago
A simple and lightweight yet rock-solid plugin that blocks comment spam using multiple automatic detection methods.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
WPCF7 Anti-spam
#40,770by cronagency6 years ago
Upload wpcf7_antispam folder to the /wp-content/plugins/ directory Activate the plugin through the 'Plugins' menu in WordPress Configure the …
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
WP Slider Captcha
#40,838by captbrogers14 years ago
An anti-spam captcha using jQuery's UI slider. After the position of the slider is past 60% (default), it will enable the submit button.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Radical
#41,162by Carlos Martinez4 years ago
Use Radical to block spam comments
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

SpamShieldX
Down in the last 7 days:1,744#41,569by Alireza Nejati1 year ago
SpamShieldX is the ultimate solution for protecting your WordPress website from spam and iframe abuse. Our plugin blocks malicious iframes and prevent …
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day

Block Referers
Up in the last 7 days:2,694#41,776by Ethan Allen6 years ago
Block unwanted visitors from viewing your WordPress site.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
WPMU Block Spam By Math
#42,180by jwpegram16 years ago
This plugin protects your WPMU signup process against spambots with a simple math question.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Form Guardian for Contact Form 7
Up in the last 7 days:633#42,711by sandeepkamp4 months ago
Stop Contact Form 7 spam with honeypot protection, automatic IP blocking, duplicate submission prevention, disposable email filtering, rate limiting, …
- Installs
- 10+
- Rating
- –
- Downloads
- 2/day

1on1 Secure
Up in the last 7 days:1,434#43,634by 1on1secure2 years ago
Visitor verification and screening for known bad actors. No CAPTCHA required to prevent comment spam, prevent contact page spam, and reduce wordpress …
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 0/day

Analytical Spam Filter
#43,635by John Dalesandro5 months ago
Stop spam without making your visitors prove they're human. No captchas, no accounts, and no external services required.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
BuddyPress XProfile Validate with RegEx
#43,729by Tomasz Ostrowski11 years ago
BuddyPress - Validate XProfile data with PCRE regular expressions.
- Installs
- 10+
- Rating
- 4.5(4)
- Downloads
- 0/day

Lemin Cropped Captcha
Down in the last 7 days:3,187#44,459by Lemin Now, Inc.2 years ago
Lemin Captcha is uniquely playful, robust, and effective. Through gamification, we are curing the pains of traditional CAPTCHA.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Fstyle Honeypot Bot Blocker
#44,747by fstylegear095432 days ago
Blocks bad bots and vulnerability scanners by IP when they hit a robots.txt trap or probe .env, .git or wp-config backups. No external service.
- Installs
- 10+
- Rating
- –
- Downloads
- 20/day
Chinese Comment Spam Protection
#45,162by joe03110216 years ago
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 …
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
GNA Google reCAPTCHA
Down in the last 7 days:1,322#45,543by Chris Mok10 years ago
This plugin allows you to implement Google reCAPTCHA (CAPTCHA) into your web forms.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
WP-Mail-Validator
Down in the last 7 days:3,176#45,838by kimpenhaus6 years ago
WP-Mail-Validator is an anti-spam plugin. It provides mail-address validation in 5 ways:
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
ClickChina
Down in the last 7 days:11,142#46,103by q40964097615 years ago
防止垃圾评论插件,点击正确的图形提交评论,仿"Clickcha"(Click on the Right picture to submit comments,to prevent spam comments,as clickcha)
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Bolcal Anti Spam
Up in the last 7 days:1,934#46,442by BOLCAL6 months ago
Free anti-spam protection for WooCommerce, WordPress registration forms, and Contact Form 7 forms.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Hsoub CAPTCHA
#46,517by web2dev15 years ago
A simple comment captcha protection.
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 0/day
adCAPTCHA for WordPress
Down in the last 7 days:2,478#46,579by adCAPTCHA1 year ago
Secure your site. Elevate your brand. Boost Ad Revenue.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day