How to use this tool
- Paste input in the format shown in the example.
- Set the options and run the analysis.
- Review the output and any limitations before using the results.
Try this example
Strict-Transport-Security: max-age=31536000 X-Content-Type-Options: nosniff Content-Security-Policy: default-src 'self'
Accuracy and scope
Analyzes pasted headers without fetching any website. Presence does not establish correct policy values or protection.
Is my data uploaded?
This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.