ByteBuster Tools

Free CSP Builder

Free Content Security Policy (CSP) builder. Generate a complete CSP header for your web application.

What does this tool do? Build a Content Security Policy (CSP) header for your website. CSP tells browsers which resources (scripts, styles, images) are allowed to load, helping prevent XSS attacks and data injection.
Policy built entirely in your browser
View Technical Specifications (For Developers)
  • Directives: Supports default-src, script-src, style-src, img-src, font-src, connect-src, frame-src
  • Output: HTTP header format and HTML <meta> tag format

Configure your Content-Security-Policy directives. Leave blank to omit a directive.

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Free tools, zero server uploads, total privacy.

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