Security Headers Scanner

Scan CSP, HSTS, X-Frame-Options, Referrer-Policy, Permissions-Policy

Scan CSP, HSTS, X-Frame-Options, Referrer-Policy, Permissions-Policy

Website URL to scan

Privacy: Security Headers Scanner runs completely in your browser. Your input never leaves your device.

Security Headers Scanner FAQ

Is Security Headers Scanner free to use?

Yes, this tool is completely free. There are no fees, subscriptions, or limits — open the page and use it as much as you like.

Does Security Headers Scanner upload my data?

No. Security Headers Scanner runs entirely in your browser on your own device. Your text and numbers never leave your computer.

Does Security Headers Scanner work on mobile?

Yes. The tool is fully responsive and works on Android, iPhone, tablets, laptops, and desktop computers.