CSP Header Builder
v1.0.0
Build Content-Security-Policy header values and matching HTML meta tags from common directives.
CSP Header Builder
Use this CSP Header Builder to create a Content-Security-Policy header value and matching HTML meta tag from common CSP directives. It is useful when drafting frontend security headers for websites, static apps, documentation pages, and deployment config.
What This Tool Does
- Build
default-src,script-src,style-src, and related directives - Generate a full CSP header value
- Generate an HTML meta tag version
- Keep directives visible and easy to adjust
Common Use Cases
- Drafting a first CSP for a static site
- Testing policy variations before deployment
- Preparing examples for documentation
- Comparing strict and relaxed policy values
Notes
Content Security Policy is security-sensitive. Treat this builder as a drafting tool and test the policy in the target application before deploying it broadly.
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