WordPress form security plugins

"Contact Form 7 Spam Killer" is a advance spam blocker that will help to prevent unwanted spam for your Contact Form 7 plugin.

This Add-one is useful for spam prevention, you can set a limit to the Gravity Forms submissions by visitor's IP address over a custom time range.

Simple and lightweight form antispam.

Add Cloudflare Turnstile protection to your Gravity Forms to prevent spam and bot submissions.

Adds OTP verification (Email, SMS, WhatsApp, Voice Call) to Contact Form 7 with redirect URL option for post-submission redirection.

Adds duplicate email blocking and verification to Contact Form 7 to improve form security and reduce spam.

Apply a simple mathematical captcha to specific buttons by providing their CSS class or ID to prevent spamming.

Adds a secure, flexible image captcha field to Contact Form 7 with zig-zag protection, timer, refresh, AJAX validation, and accessibility support.