CSP Header Builder

Build Content Security Policy headers with a visual form

Build Content Security Policy headers with a visual form. Enable directives, add sources, and use presets. Copy the result as an HTTP header or HTML meta tag. Everything runs locally in your browser.

Presets:

default-src

script-src

style-src

img-src

font-src

connect-src

media-src

object-src

frame-src

frame-ancestors

base-uri

form-action

upgrade-insecure-requests

block-all-mixed-content

Generated CSP Header

Enable directives above to generate a CSP header

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