Security
Security Headers Checker
Audit the security headers a site sends.
Runs in your browser. Free — nothing sensitive leaves the page.
About this tool
Free security headers checker tool. Audit the security headers a site sends. No signup, nothing uploaded.
Frequently asked questions
Is this safe to use?
Yes. Generation and hashing happen locally in your browser.
Do you store anything?
No. Nothing you enter is transmitted or stored.
Should I trust this for production?
Use it to generate or verify, but follow your own security policy.
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