HTTP Security Headers Checker

Security grade

Response

All headers

Header	Value	What it does

About this tool

Fetches a URL and explains every response header it gets back — caching, CORS, and a quick security-header check. The security grade below is a simplified heuristic (presence/absence of six common headers), not a substitute for a full audit.

Frequently asked questions

What is HTTP Security Headers Checker?

Fetch a URL and explain its response headers, with a security-header grade. It is one of the API & HTTP Tools tools on MyCodeTips.

How do I use HTTP Security Headers Checker?

Open the tool, enter or paste your input, and the result appears right away. Use the Copy button to copy it.

Is HTTP Security Headers Checker free to use?

Yes. It is free to use and does not need an account.

Is my data safe with HTTP Security Headers Checker?

The result is produced on our servers. We do not sell your data; see our privacy policy for details.

Can I share my result?

Yes. Use the share buttons below the tool to post a link or copy a link to the tool page.