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PrismKit

Security Headers Generator

Local

Generate HSTS, Referrer-Policy, Permissions-Policy and cross-origin headers as nginx, Apache, Caddy, Netlify, Vercel or Express config.

CSP Generator

Build a Content-Security-Policy directive by directive, or paste one to see what it allows and where it is weak.

security.txt Generator

Create an RFC 9116 security.txt file with contact, expiry and policy fields, checked for required values.