Content security policy builder
Draft a restrictive Content-Security-Policy header from your allowed HTTPS origins.
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Content security policy builder — workspace
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How to use: Content security policy builder
Start with the example, or replace it with your own values.
Review Text or data, then select “Get result”.
Read the result, then copy or download it. Edit any input to try again.
What you can do
- Draft a restrictive Content-Security-Policy header from your allowed HTTPS origins.
What you get
- A result you can review, copy or download. Numeric tools show labeled calculations; text tools show the transformed output.
What you need
- Text or data
- Enter or paste your value, or start with the example.
Try an example
- Text or data
https://cdn.example.com
Good to know
- One HTTPS origin per line. Generates a restrictive starting policy; review and test it before applying.
Your work stays on your device
Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.
Questions & answers
Is Content security policy builder free?
Yes. Content security policy builder is free to use and does not require an account.
Are my files or entered values uploaded?
Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.
What result can I save?
A result you can review, copy or download. Numeric tools show labeled calculations; text tools show the transformed output.
What should I check before using the result?
One HTTPS origin per line. Generates a restrictive starting policy; review and test it before applying.