No tracking • No dependencies • Privacy-first
Secure CAPTCHA for Modern Web
Lightweight JavaScript CAPTCHA that protects your forms without compromising user privacy or requiring external services.
Privacy-Focused
Zero data collection. No external requests. All processing happens locally in the browser.
Lightweight
Under 25KB total. Zero dependencies. Fast initialization and minimal performance impact.
Easy Integration
One script tag and one div element. Auto-initializes and integrates with any form.
Live Demo
Try it yourselfQuick Start
Step 1: Include Script
<script src="https://xsukax.github.io/xsukax-JS-CAPTCHA/captcha.js"></script>
Step 2: Add Container
<div class="xsukax-captcha"></div>
Features
- Canvas-based text distortion
- Automatic form integration
- Time-based challenge expiration
- Multiple attempts handling
- Mobile responsive design
Security Benefits
- No third-party dependencies
- Client-side only processing
- Cryptographic token generation
- Advanced visual obfuscation
- Form submission protection