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Cap

Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work

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Description

Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused wi…

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Cap FAQ

What is Cap?

Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.

Do I need to download Cap?

No. Cap runs in your browser at capjs.js.org, so there's nothing to install.

What are the best Cap alternatives?

Popular alternatives to Cap include Pretix, Mermaid and Orama. See all Cap alternatives

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