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Pick directives (script-src, style-src, img-src, connect-src, frame-src, font-src, etc.) and sources (self, nonce, hashes, domains) to generate a Content-Security-Policy header with strict-dynamic and modern recommendations.
This csp header generator runs 100% in your browser. Nothing you paste, drop, or generate ever leaves your device - no analytics on your input, no uploads, no logs.
Toggle to deploy in test mode without breaking your site.
Same browser-only philosophy. Free, no signup, no upload.
Audit response headers against OWASP best-practice security checklist.
Decode an SSL/TLS certificate (PEM) - issuer, subject, validity, SAN list.
Build a clean robots.txt with allow / disallow rules and sitemap reference.
Beautify, validate, and minify JSON with sortable keys, exact error positions, and a one-click copy.
Validate JSON syntax with exact line and column for every error.
Strip whitespace from JSON to produce a single compact line.
We design and ship internal tooling, dashboards, and customer-facing utilities. Tell us what you need and we'll scope it.