Protect your entire WordPress site

Tired of spam comments and fake contact form submissions? Let Private Captcha handle security for you.

Start free trial

Login

Protect login and reset password

/wp-admin/ is one of the first WordPress endpoints, targeted by automated bots

Comments

The most sacred place on your website

User-friendly captcha widget keeps the spammers away, but does not annoy visitors

Custom forms

Works with 3rdparty form plugins

Use Private Captcha with custom forms plugins like WPForms or Contact Form 7

Customization

Customize how the widget looks or works

Change theme, language, styles, domains and more in the Private Captcha plugin settings. In the same place you can enable Comments, Login or 3rdparty forms integrations.

Setup takes less than 5 minutes.

Check docs

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 frustrating 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.

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.

Does Private Captcha share your data?

The data we collect belongs to you. We do not collect PII and aggregated data we do collect is not shared with any third-parties. Outside of the hosting companies that own servers on which data is stored, no other vendor can access it.

Do you offer a signed DPA?

Our DPA is part of our Terms and is binding upon acceptance of those terms - when you create your account you have to accept it. If you require a formally signed separate copy for your records, please contact support and we will provide you a digital version for your countersignature.

Do you keep or replicate data copies on non-EU servers?

Short answer is no. Our non-EU servers are API servers only without any data persistance (any data copies are temporary in memory only). Any servers that store (and/or replicate) data on disk, are within the EU only.

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.

Trusted by non-profit, governmental, and small to mid-size enterprises

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