HTTP Security Headers Generator & Analyzer

Generate a hardened header set, or paste yours and get a graded report.

Choose a strictness level to generate a recommended set of security headers (CSP, HSTS, X-Frame-Options, Referrer-Policy, Permissions-Policy), or paste your current response headers to get a letter grade and prioritised gaps.

Recommended headers

Tighten script-src to your real script origins before shipping. Test with report-only first.

Get these from your browser DevTools → Network → the document request → Response Headers.

Grade
ScoreOut of 100

Runs entirely in your browser — nothing you enter is sent to a server.

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The headers that matter

A strong Content-Security-Policy plus Strict-Transport-Security covers the majority of low-effort, high-impact hardening. The rest are defence-in-depth. Generated CSPs are a sane starting point — tighten script-src to your actual origins.

Verify after deploy

This grades what you paste; always re-check live with a scanner once shipped.

Built by WeWorkWorldwide — a senior software team in Romania & Pakistan that ships deep technical work. Need this turned into something production-grade for your stack? Talk to our engineers →