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CSP Header Generator

Generate Content Security Policy headers to protect your site from XSS and injection attacks. Free CSP builder.

Live·100% in your browser — no upload

How CSP Header Generator works

Generate Content Security Policy headers to protect your site from XSS and injection attacks. Free CSP builder. Everything runs locally in your browser — nothing is sent to external servers.

  1. Enter or paste your data in the field above.
  2. The tool processes the result instantly, while your data stays on your device.
  3. Copy or download the output.

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