CSP Header Builder

Bouw Content Security Policy headers

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CSP Directives

default-src

'self'

'none'

'unsafe-inline'

'unsafe-eval'

script-src

'self'

'none'

'unsafe-inline'

'unsafe-eval'

style-src

'self'

'none'

'unsafe-inline'

img-src

'self'

data:

blob:

font-src

connect-src

frame-src

Additional Options

upgrade-insecure-requests

block-all-mixed-content

report-uri

CSP Header

Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self'

Meta Tag

<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self'">

About CSP Header Builder

Bouw Content Security Policy headers

Use this free online web & seo tools tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.

Processing

This tool runs in your browser whenever possible, which keeps your inputs private and reduces unnecessary round-trips to the server.

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