Content-Security-Policy helper 🛡️
Paste a CSP string, review each directive, see advisory flags, and copy a stricter draft. Client-side only.
Paste the header value only, or include the Content-Security-Policy: prefix. Advisory analysis only — not a security audit.
- Empty policy.
Directives
Enter a policy to parse.
Stricter draft (advisory)
—
Advisory use
Content-Security-Policy reduces XSS and injection impact by controlling where scripts, styles, and other resources may load. Use this helper to read an existing policy; pair changes with browser DevTools violations and CSP report-only mode in production.
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