BuildUtilities

CSP Header Generator – Free Online Tool

Build Content-Security-Policy headers visually. Select directives and sources, then copy the header or meta tag.

✦ FreeNo SignupInstantSecurityWeb Security Headers Guide

Runs in your browser. Nothing you type or paste is uploaded, saved, or sent to an AI.

default-srcFallback for all resource types
script-srcJavaScript sources
style-srcCSS sources
img-srcImage sources
font-srcFont sources
connect-srcXHR, WebSocket, fetch origins
media-srcAudio/video sources
frame-srciframe sources
object-srcPlugin sources
base-uriRestrict <base> element
form-actionForm submit targets
frame-ancestorsWho can embed this page
Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; object-src 'none'
<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; object-src 'none'">

How to Use CSP Header Generator

  1. 1

    Select Directives

    Toggle source values for each CSP directive.

  2. 2

    Review Policy

    See the complete CSP header and meta tag.

  3. 3

    Copy

    Copy the HTTP header or HTML meta tag.

Common Use Cases

  • ✦Securing web applications
  • ✦Preventing XSS attacks
  • ✦Configuring security headers

Share

Share a link to this tool. Results can be passed via URL parameters.

https://buildutilities.com/share/csp-header-generator

Frequently Asked Questions

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