All tools
Developer · ready

Content Security Policy Builder

Build enforce or report-only Content-Security-Policy response headers.

Loading local tool…
No uploadsYour files stay on this device.
Local engineYour browser does the work.
Auto cleanupTemporary memory is released.
About this tool

Use content security policy builder without uploading files

Build enforce or report-only Content-Security-Policy response headers. Content Security Policy Builder runs in the current browser session, giving you a direct result without sending the source to a Filemazing processing server.

Processing takes place in your browser tab. Temporary working data is released when you leave or reload the page.

Three steps
  1. Enter the values or preferences requested by Content Security Policy Builder.
  2. Review the available generation options and choose the required format.
  3. Generate the result, inspect it, then copy or download it.
Useful for

Common build csp tasks

  • Using build csp without an upload queue
  • Reviewing configuration and source text
  • Creating development-ready output
Practical details

What to know before you start

Accepted input

Values entered directly into the Content Security Policy Builder form

Created output

A generated build csp value or file

Tips and limitations
  • Generated or reformatted output still needs review in its target application.
  • Do not treat syntax validation as proof that a configuration is secure or semantically correct.
  • Review the Content Security Policy Builder result before using it in an important workflow.