Security Utility
Content Security Policy Builder
Construct robust Content Security Policy headers and meta tags with pre-configured security presets to eliminate XSS.
100% In-Browser Client-Side — Zero Server Uploads
Security Presets:
Configure Directives (space-separated values)
Format:
Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-eval' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https:; connect-src 'self' https:; font-src 'self' data: https://fonts.gstatic.com; object-src 'none'; frame-ancestors 'self'; base-uri 'self'; form-action 'self'; upgrade-insecure-requests
Configured policies defend your website against Cross-Site Scripting (XSS) and data injection.
Protecting Modern Web Apps with CSP
Cross-Site Scripting (XSS) remains one of the most critical web vulnerabilities. A properly configured Content Security Policy acts as an essential second layer of defense, ensuring that even if an attacker manages to inject malicious script tags, the browser refuses execution.
Frequently Asked Questions
Helpful answers to common image compression questions.
CSP is an HTTP header that allows site operators to restrict the resources (scripts, images, stylesheets, fonts) that the browser is allowed to load for a given page, providing defense against Cross-Site Scripting (XSS).
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