Enter a website URL to inspect browser security headers such as Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, X-Content-Type-Options and Referrer-Policy.
The report grades the response, highlights missing or weak policies and gives practical recommendations for reducing clickjacking, MIME sniffing, referrer leakage and downgrade risks.
✓The tool runs directly in the browser and is ready for quick checks without installing software.
✓Input can be cleared and recalculated immediately, which is useful for repeated small tasks.
✓Use fullscreen mode when you need more space for long text, structured data or large result blocks.
✓Copy buttons are available on generated output so results can be reused in code, documents or support chats.
✓Most operations are deterministic: the same input and options produce the same output.
✓For sensitive content, prefer local browser tools and review the result before sharing it further.
