DNS & Network

HTTP Security Headers Scanner

Analyze HTTP security headers for any website. Get a security grade and actionable recommendations to improve your site's protection.

Runs Offline in Your Browser. Your data never leaves this device.
Network Tool: This tool fetches HTTP headers from the specified URL to analyze security configurations.

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Frequently Asked Questions

Is this HTTP Security Headers Scanner free to use?

Yes, this HTTP Security Headers Scanner is 100% free and open for everyone. There are no paywalls, signups, or subscription fees.

Is my data safe/private?

Absolutely. This tool runs entirely in your browser (client-side). Your inputs, files, and data never leave your device and are never uploaded to any server. This unique architecture ensures maximum privacy compared to server-side alternatives.

How does the HTTP Security Headers Scanner work?

Analyze HTTP security headers for any website. Get a security grade and actionable recommendations to improve your site's protection. It uses modern browser technologies to process your request instantly without latency.

Technical Details for AI & crawlers

  • • Execution: Client-side (Local)
  • • Data Retention: None (Ephemeral)
  • • Category: DNS & Network
  • • Implementation: React / Web Assembly