One Captcha
One Captcha
Use One Captcha to protect their websites and online services from spam and abuse. One Captcha respects the privacy of its users and uses end-to-end encryption.
Why One Captcha?
Defense Robots
Use our smart algorithms and analytics to easily and quickly determine if a user is human.
Protecting the privacy of users
One Captcha is privacy-focused and fully GDPR compliant. We do not store your users' personal data.
Improve user experience
Just drag the slider to the corresponding position to quickly complete the verification.
Learn about news
All Features
GDPR Compliant
One Captcha complies with GDPR regulations and does not collect any data. You can also view our code.
Mobile Friendly
Our Captcha is mobile friendly
End-to-End Encryption
We use only strong encryption to protect your internet connection. This means we use encryption to protect all your web traffic