HTTP Security Header Inspector
URL → Headers
Inspect and grade HTTP security headers (HSTS, CSP, X-Frame-Options) for any website.
About this tool
About HTTP Security Header Inspector
HTTP Security Header Inspector is a free, browser-based tool that lets you inspect and grade HTTP security headers (HSTS, CSP, X-Frame-Options) for any website. It supports URL → Headers. Everything runs locally on your device, so your files are never uploaded to a server. There's no sign-up, no watermark, and no limit — just open HTTP Security Header Inspector, add your input, and get results instantly.
How to use HTTP Security Header Inspector
1
Enter URL
Provide website URL to inspect.
2
Audit Security
Checks HSTS, CSP, and X-Frame-Options headers.
Key features
Instant Audit
Get a clear security header compliance report.
100% Private
HTTP Security Header Inspector processes your data locally in the browser. Nothing is uploaded, tracked, or stored u2014 your files never leave your device.
Completely Free
Use HTTP Security Header Inspector as much as you want with no fees, no watermarks, and no hidden limits.
No Installation
HTTP Security Header Inspector runs in any modern browser. There's nothing to download, install, or configure.
1 / 2
Featured on
