Content Security Policy (CSP) Helper

SUMMARY

This extension helps you to retrofit a strict Content Security Policy (CSP) header to the current web page by analyzing its' contents. This is especially useful for older web pages that do not yet implement a strict CSP. Note: The CSP is a best guess based on the current page. Support for font sources and connect sources is still being worked on! The extension is built upon AutoCSP that was first developed by Ferran Basora in 2016. More info about Code Guardian can be found on codeguardian.nl

The latest version of Content Security Policy (CSP) Helper is available on the Chrome web and is currently being used by 86 active users. The initial version was launched on 2024-02-11.

HOW TO INSTALL Content Security Policy (CSP) Helper FROM A CRX FILE

1. Download Content Security Policy (CSP) Helper CRX file
2. NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to download the ZIP file instead
3. In the URL bar, go to chrome://extensions
4. Enable Developer mode

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