⚡️
250x smaller than hCaptcha
~20kb, zero dependencies, loads in milliseconds
Lightweight, privacy-first, and designed to put you first. Switch from reCAPTCHA in minutes.
🔒️
Privacy-first
Cap doesn't send any telemetry back to our servers
🌈
Fully customizable
Change the colors, size, position, icons and more with CSS variables
💽
Proof-of-work
Your users no longer have to waste time solving visual puzzles.
🐳
Standalone mode
Run Cap anywhere with a Docker container with analytics & more
💨
Invisible
Hide Cap's widget and solve challenges in the background
🤖
M2M
Keep your APIs protected while accessible to friendly robots
🌳
Open-source
Completely free & open-source under the Apache 2.0 license