The captcha everyone can use

An accessible captcha without cognitive load which creates satisfying user experiences that benefit everyone. Even your lawyers.

Simplifying access to everyone

Simplicity

Captcha without cognitive load

Traditional captchas don't just block bots - they block real people too, especially those with disabilities. Private Captcha is as simple as clicking a button that everyone can do, even tired.

Captcha script size comparison chart

Speed

Minimal overhead for users

Private Captcha script is about 7.5% of the size of Google reCAPTCHA (before compression) and helps to make your website load faster.

 

Interface

Invisible CAPTCHA

Captcha with truly invisible mode, unlike reCAPTCHA other solutions that show a popup even when "invisible".

Private Captcha customization options

Interface

Fully customizable UI

With Private Captcha, you can change not only theme or language, but even low-level CSS properties to perfectly integrate it on your website. Hooks and events are offered too so a completely custom visualization is possible.

Designed for humans, not machines

Lightweight
Our script is 7% of the size of Google reCAPTCHA script
Enhanced accessibility
Multiple languages, screen reader friendly, WCAG 2.2 compliant
No solving visual puzzles
Does not depend on cognitive abilities of the user
No personal data tracking
Our Privacy Policy is simple - no personal data is collected

Frequently Asked Questions

How Private Captcha is different from other Proof-of-Work solutions?
Unlike other solutions, that only have client-side code open, Private Captcha's backend code is also publicly available, making it easy to verify how user data is handled. Additionally, you can host Private Captcha on premises inside your own organization.
How do I add Private Captcha on my website?
Private Captcha comes with many pre-built integrations for popular online platforms, such as WordPress, and packages for many popular programming languages (Javascript, Python, etc.). Additionally, our documentation provides detailed setup and migration guides and integration examples.
How does Private Captcha comply with data protection regulations like GDPR?
Private Captcha does not use any client-side tracking technologies like cookies and does not retain Personally Identifiable Information (PII) on its backend systems. As part of service operation, user data is anonymized and aggregated, making it impossible to track to any individual user.
Can we use Private Captcha if our compliance requires strict EU-only data sovereignty?
Private Captcha is powered by exclusively European suppliers. If you want to ensure that no data is transferred to other countries due to geographic routing, you can also use our EU-only API endpoints.
Can I customize how the Private Captcha widget looks like?
The Private Captcha widget offers two color themes (light and dark) and also allows to do lower-level customization, using CSS, ensuring seamless integration with your website. Additionally, you can hide the captcha widget altogether and make your custom UI integration, all while keeping security benefits.

Compare with others

  • User-friendly

    ? Humans don’t need to prove they’re human

  • GDPR-compliant

  • Self-hosting

  • Difficulty scaling

    ? The more bots try, the harder it gets

  • EU-only endpoints

  • Real Human support

    ? No AI chatbots ever

Google reCAPTCHA

  • Grey area (at best)

Private Captcha

CloudFlare Turnstile

  • Quite likely

  • Enterprise tier only

Protect your forms and APIs from abuse

Independent, privacy-first, self-hostable CAPTCHA service made in EU