Protect your Mailchimp forms from spam using Hizzle CAPTCHA, a lightweight, privacy-focused solution that keeps fake subscribers out of your lists.
Automatic spam blocking
Automatically stops bots from adding junk emails to your Mailchimp lists with a simple checkbox, no extra effort on your part.
Keep your subscriber list clean & private
Block spam sign-ups and fake entries that hurt your Mailchimp campaigns, with a privacy-first approach with minimal tracking. Upgrade to premium for invisible protection and Cloudflare Turnstile.
Seamless integration
Works out of the box once Hizzle CAPTCHA is activated, no special configuration. Toggle it in the settings dashboard.
Why stop at Mailchimp?
Hizzle CAPTCHA protects many popular WordPress forms out of the box, Mailchimp sign-ups, Noptin newsletters, Contact Form 7, WPForms, WooCommerce checkout, comments, login/registration, and more. All premium features (invisible CAPTCHA, score-based v3, Cloudflare Turnstile) in one upgrade, no add-ons required.
See all Hizzle CAPTCHA integrations