ALTCHA for WordPress is the professional solution for keeping your website safe from spam, bots, and abuse — without frustrating your visitors. Unlike traditional CAPTCHAs that interrupt the user experience, ALTCHA runs silently in the background, delivering invisible, privacy-first protection for all your forms.
Whether you’re running a blog, an online store, or a high-traffic business site, ALTCHA makes sure your site stays fast, secure, and compliant.
- Unlimited: no third-party dependencies, unlimited verifications
- Privacy-first: fully GDPR-compliant and accessible by design
- Invisible Protection: seamless security with no puzzles or CAPTCHAs
- Analytics: detailed dashboard and activity logs
- Advanced Firewall: block malicious traffic by country, IP, or user agent
- Under Attack Mode: keep your site online during active threats with under attack mode
ALTCHA is designed for serious WordPress site owners who need reliable, production-grade security. It’s a complete protection layer that scales with your website, backed by professional support when you need it.
To get started, see the documentation.
This repository is provided under a custom proprietary license. See LICENSE.txt for more information.
Certain files, such as precompiled .min.js assets in /public/vendor/, are provided only in binary/minified form and are not source-available. They remain proprietary and may not be reverse engineered, distributed, or modified.