Free Content Security Policy (CSP) Generator Online
Construct strict Content Security Policy HTTP headers to safeguard web apps against Cross-Site Scripting (XSS) and data injection attacks. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Configure Directives
Set permitted sources for scripts, styles, fonts, and images.
Set Policy Mode
Choose Enforce or Report-Only mode.
Copy Header Syntax
Paste generated header into your Nginx, Apache, or Next.js config.
Frequently Asked Questions
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