Content Security Policy (CSP) Builder

Tag: Content Security Policy (CSP) Builder

4+ tools

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Send a test CSP violation report and see the ReportingObserver in action. Understand how monitoring works.

Developer Tools CSP demo monitor Reporting API

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Enter a website and check which security headers (HSTS, CSP, X‑Frame‑Options) are present. Get a security grade.

Network audit CSP HSTS security headers

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Test if a script or style will be allowed by a given CSP. Compute hash/nonce. Strengthen your site’s defense against XSS. Local.

Evaluator CSP evaluator security XSS

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Paste a Content‑Security‑Policy header and get a human‑readable breakdown. See potential risks and suggestions.

Analyzer analyzer CSP header security