Protect your Noptin newsletter sign-up forms from spam using Hizzle CAPTCHA, a lightweight, privacy-focused solution.
Automatic spam blocking
Automatically protects Noptin subscription forms from bots and fake sign-ups with a simple checkbox, no manual checks required.
Keep your subscriber list clean & private
Stop spam bots and fake emails from polluting your list, privacy-first with minimal tracking. Upgrade to premium for invisible protection and Cloudflare Turnstile.
Seamless integration
Works automatically once Hizzle CAPTCHA is activated, no extra configuration for basic mode on Noptin forms. Check the checkbox in the settings dashboard.
Why stop at Noptin?
Hizzle CAPTCHA protects many popular WordPress forms out of the box, Noptin newsletters, Contact Form 7, WPForms, WooCommerce checkout, comments, login/registration, and more. All premium features (invisible CAPTCHA, score-based v3, Cloudflare Turnstile) are included in one upgrade, no separate add-ons needed.
See all Hizzle CAPTCHA integrations