IntegSec CSP Tester is a Chrome extension designed for web developers and security professionals to analyze and test Content Security Policy (CSP) headers on any website. This tool provides two main modes: View Mode, which automatically detects and analyzes CSP headers, and Test Mode, which allows users to inject custom CSP headers for testing purposes. With features like automatic detection, plain English explanations, and a security scoring system, it simplifies the understanding of CSP configurations and their implications for web security.

The extension supports all major CSP directives and offers detailed violation reports in real-time. It is particularly useful for troubleshooting, auditing, and educating about CSP best practices. The user-friendly interface and integration with the IntegSec CSP Builder make it accessible for both beginners and experienced professionals. Overall, IntegSec CSP Tester is a comprehensive tool that enhances the ability to implement and maintain effective web security through proper CSP management.