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Content Security Policy Generator

Generate CSP directives locally with a restrictive preset and warnings for broad unsafe source expressions; deployment still requires application-specific testing.

ReadyCSP is defense in depth. Test application behavior before enforcing a generated policy; this builder does not crawl your site or prove a policy is complete.

How to use this Content Security Policy Generator

Build a Content-Security-Policy header from common CSP fetch and navigation directives. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.