Tools

CSP Header Tool for Policy Checks

Generate and validate Content Security Policy headers.

CSP Header Tool

Build and review Content Security Policy directives to reduce script injection risk. This helps teams craft a policy before applying it in response headers.

How to use the CSP Header Tool

  1. Paste your directives.
  2. Click Build.
  3. Review the generated header.

Common use cases

  • Creating a baseline CSP for new apps.
  • Reviewing changes before rollout.
  • Sharing policy drafts with security teams.
  • Troubleshooting blocked resources.

Tips & notes

  • Start with Report-Only to gather violations.
  • Avoid unsafe-inline where possible.
  • Keep policies aligned across environments.

Related security tools

  • HTTP Security Headers Diff Tool
  • Cookie Security Flag Analyzer
  • CORS Policy Risk Checker

FAQ

Does this replace security reviews?
No. It provides quick checks, not full audits.
What is unsafe-inline?
A CSP source that weakens protection against XSS.
Does it validate report-only mode?
It supports generating policies but does not deploy them.