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Private Captcha

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

Private Captcha offers a user-friendly CAPTCHA solution that protects forms and APIs while maintaining high privacy standards without requiring extra integration efforts. Instead of asking users to solve complex puzzles or track their behavior, Private Captcha solves an invisible cryptographic task in the background. The system automatically adjusts the task difficulty, ensuring smooth access for real users while making it too costly for bots to attempt. Cryptographic task provides equal security regardless of bot's intelligence level, making it effective even as AI technology improves.

A startup from Tallinn, Estonia.

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Private Captcha

Private Captcha Reviews and Details

This page is designed to help you find out whether Private Captcha is good and if it is the right choice for you.

#Security & Privacy #SPAM Protection #Anti-Spam #Captcha

Screenshots and images

  • Private Captcha Portal Dashboard
    Portal Dashboard //
    2025-09-24
  • Private Captcha Property settings
    Property settings //
    2025-09-24
  • Private Captcha Property stats
    Property stats //
    2025-09-24
  • Private Captcha Account API keys
    Account API keys //
    2025-09-24

Features & Specs

  1. privacy

    Private Captcha does not collect any behavioral or personal data

  2. GDPR compliance

    Private Captcha is made and hosted in EU, uses only EU suppliers and also has EU isolation mode

  3. accessibility

    Private Captcha does not require solving complex puzzles - all user has to do is to click a button

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Is Private Captcha good?

Private Captcha is a solid privacy-focused CAPTCHA alternative that offers effective bot protection without compromising user data, making it a strong choice for privacy-conscious websites.

Why choose Private Captcha?

  • Privacy-first design that avoids tracking users or selling personal data, unlike some mainstream alternatives
  • Provides effective bot and spam protection while maintaining a smooth user experience
  • Often uses proof-of-work or privacy-preserving challenges that reduce friction compared to image-based puzzles
  • Helps websites comply with data protection regulations like GDPR
  • Lightweight and easy to integrate into existing web applications

Recommended for

  • Privacy-conscious businesses and developers who want to protect user data
  • Websites operating under strict data protection regulations such as GDPR
  • Small to medium businesses seeking an alternative to Google reCAPTCHA
  • Developers who prioritize minimal user friction while blocking bots and spam
  • Organizations wanting to reduce reliance on big-tech tracking services

External links

We have collected here some useful links to help you find out if Private Captcha is good.

  • Public traffic stats of Private Captcha

    Check the traffic stats of Private Captcha on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.

  • Domain Rating (DR)

    Check the "Domain Rating" of Private Captcha on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of Private Captcha's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.

  • Domain Authority (DA)

    Check the "Domain Authority" of Private Captcha on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.

  • Public opinion on Reddit

    The latest comments about Private Captcha on Reddit. This can help you find out how popualr the product is and what people think about it.

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Private Captcha discussion

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Is Private Captcha good? This is an informative page that will help you find out. Moreover, you can review and discuss Private Captcha here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.

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