Protect your WordPress forms against spam and bots with Google reCAPTCHA V3 and V2.
Alternatives to Blue Captcha
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Protect your WordPress login form from bots and brute force attacks with Google reCAPTCHA, a slide-to-unlock captcha, or an icon captcha.
POWER CAPTCHAv1.2.8
POWER CAPTCHA protects your WordPress website and WordPress forms against bots and unauthorized persons. GDPR compliant!
Reycob Form Firewallv1.3.9
Protects public WordPress forms, login, registration, comments, and WooCommerce product reviews with a local CAPTCHA and rate limits.
Private Captchav1.0.47
Private Captcha protects your WordPress website from spam and abuse with a privacy-first, independent CAPTCHA solution made in EU.
Kaya Login Captchav1.1.0
Protects the WordPress login, registration and lost-password forms with a simple captcha. No third-party APIs, services or dependencies required.
A lightweight plugin that protects core WordPress forms and selected third‑party plugins from spam and bot attacks using Cloudflare Turnstile CAPTCHA.
Greyfu Login Captchav1.0.0
A lightweight captcha that protects your WordPress login page from automated bot attacks using a simple math challenge.
Shield WP Adminv1.0.3
Secure and harden your WordPress admin area with powerful features like custom login URLs, reCAPTCHA, brute-force protection, and more.
Protect your WordPress website from spam and abuse with R2K Security Captcha. This plugin offers powerful security by integrating with two of the most …