WPForms
98The best WordPress contact form plugin. Drag & Drop form builder to create beautiful contact forms, paymen...
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5M+ installs 4.8★ (14,369)
Contact Form 7 Spam Killer
"Contact Form 7 Spam Killer" is a advance spam blocker that will help to prevent unwanted spam for your Contact Form 7 plugin.
The facts
- Rating
- 5★ from 4
- Active installs
- 4k+
- Price
- Free
- Last updated
- 9 Jul 2025
- Added
- Sep 2015
- Requires WP
- 5.6
- Tested up to
- WP 6.8.8
- Downloads
- 30,895
Our analysis
AI-assistedContact Form 7 Spam Killer is a WordPress plugin designed to block spam for users of the Contact Form 7 plugin. It provides an additional layer of security to help prevent both machine and human spam submissions. This plugin is suitable for anyone using Contact Form 7 who wants to reduce unwanted spam emails from their forms.
The plugin includes features such as Math Captcha and Hidden Captcha (Honeypot) to enhance its effectiveness against spam. It is free to use and has been tested with the latest version of Contact Form 7.
Best for: This plugin is best for WordPress users who rely on Contact Form 7 and want to minimise spam submissions.
What it does well
- ✓Provides double layer security for Contact Form 7
- ✓Effective against both machine and human spam
- ✓Includes Math Captcha and Hidden Captcha features
- ✓Free to use from the WordPress.org directory
- ✓Has a positive user rating
Where it falls short
- •Limited information on additional features or support
- •Only tested with Contact Form 7 version 6.1
Verdict
Contact Form 7 Spam Killer offers a straightforward solution for spam issues in Contact Form 7. It may be a useful addition for those looking to enhance their form security.
From the developer
WP-EXPERTS.IN's own description of Contact Form 7 Spam Killer, lightly tidied.
“Contact Form 7 Spam Killer” is a advance spam blocker that will help to prevent unwanted spam for your Contact Form 7 plugin.
Form Spam Killer – A permanent solution to stop spam emails from your wordpress website
“Contact Form 7 Spam Killer” plugin gives double layer security to your contact form 7. This plugin is very effective to stop machine and human spam for Contact Form 7 plugin. This plugin helps you to prevent unwanted spam from all forms of the website that has been created by Contact Form 7 plugin. As Form 7 is most popular contact form plugin and many users faced the spam issue with this form so we have created this plugin to give a permanent solution from spam emails issue.
Plugin tested with latest version 6.1 of Form 7
Do You Have Any Query? Submit here
Features
- Math Captcha
-
Hidden Captcha (Honeypot)
Tagged as
platform
Contact Form 7
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