Not TestedTesting not done, may not work properly

HTML & DOM Security Tools

Browser-native inspectors and interactive testing tools for HTML & DOM Security. 100% client-side execution — zero external libraries.

7 Tools Available

Verify DOM sanitization behavior and XSS prevention policies.

Create and inspect TrustedHTML policy tokens for secure innerHTML injection.

Create and inspect TrustedScript objects for safe inline script execution.

Validate external script URL origins using TrustedScriptURL policies.

Inspect active browser Trusted Types policies and default sink behavior.

Test element.insertAdjacentHTML and DOM parser safety against script execution.

Audit browser DOM injection sinks (innerHTML, outerHTML, document.write).