Live demo · 5 CAPTCHA types
CAPTCHA integrations, done properly.
Five CAPTCHA integrations — three server-verified providers and two client-side puzzle types. The server-verified providers demonstrate real token validation; the client-side types show how grid-based challenges work without an external API. Pick one to try it.
Choose a challenge
Cloudflare Turnstile
Privacy-first, no puzzles
A modern, free CAPTCHA alternative that verifies users without annoying image grids. Runs a lightweight managed challenge in the background.
Try the protected page→reCAPTCHA v2
The classic checkbox
The familiar “I’m not a robot” checkbox, escalating to image challenges when a request looks suspicious. The most recognizable CAPTCHA on the web.
Try the protected page→hCaptcha
Privacy-focused challenges
A privacy-respecting reCAPTCHA alternative with image challenges. Popular with sites that want to avoid sending traffic data to Google.
Try the protected page→Symbol Match
Click every matching symbol
A fully client-side puzzle: click all occurrences of the target symbol in a 4x4 emoji grid. No external service or API key required.
Try the protected page→Image Select
Select all tiles in a category
A fully client-side grid challenge: select every tile that matches the given category (vehicles, animals, or food). No API key needed.
Try the protected page→