Everything you need to secure your web applications, prevent XSS, and implement Content Security Policy with confidence.
Test your website shield or preset configurations against simulated XSS attacks in our retro cyber-defense arcade arena.
Instantly validate your Content Security Policy (CSP) header for XSS vulnerabilities, insecure directives, and syntax errors.
Scan any public website URL to retrieve and evaluate its Content Security Policy headers in real-time.
Build a secure Content Security Policy from scratch using our visual wizard and comprehensive directive builder.
Easily generate secure SHA-256, SHA-384, or SHA-512 hashes for your inline scripts and styles to use in your CSP.
Check your website for essential HTTP security headers like HSTS, X-Content-Type-Options, and Referrer-Policy.