CSP Builder
🔒 100% in your browser — nothing uploaded

Build a Content-Security-Policy header, the safe way

Generate a strict, working Content-Security-Policy in your browser. Pick what your site loads, get a copy-paste header. No signup, nothing uploaded.

Start from a preset:

What does your site load?

Tick the sources each resource type is allowed to load from.

Hardening

HTTP response header

    


    

      
Or as a <meta> tag

      

    


    

    

      

        Want this deployed without breaking your site?
        Copper Bay Tech sets CSP as a server header, tests it in report-only, then enforces it cleanly. Get a no-obligation quote — your policy summary is pre-filled in the email.
      

      Get a free quote →