Security Headers Checklist
Check raw response headers for common security headers and summarize missing items.
About This Tool
Paste response headers and quickly see which common security headers are present or missing.
Use it as a lightweight review companion before a release or while debugging edge/CDN responses.
Score
80%
Present
4
Missing
1
How to Use
- 1
Enter the values you need or paste your text into the input area.
- 2
Adjust any options, units, or settings for your exact use case.
- 3
Review the result and copy it into your document, workflow, or next task.
Features
Instant Results
Outputs update directly in the browser as you enter values.
Browser-Based Processing
Your inputs are handled locally and are not uploaded for calculation.
Simple Inputs
Clear fields and readable outputs keep repeat tasks fast.
Free to Use
Use the tool immediately with no sign-up or installation.
Common use cases
- ›Check copied headers from browser DevTools or curl.
- ›Spot missing HSTS, CSP, or referrer policy headers.
- ›Create a simple release checklist for frontend deployments.
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