The Penetration Testing Kit (PTK) is a robust Firefox extension tailored for application security experts, offering essential tools for penetration testing and security assessments. This subscription-based program provides in-browser runtime scanning capabilities for Dynamic Application Security Testing (DAST) and Software Composition Analysis (SCA), allowing users to identify vulnerabilities such as SQL injections and XSS attacks efficiently.

PTK is equipped with a suite of features, including a JWT Inspector for examining JSON Web Tokens, a proxy for detailed traffic logging and request manipulation, and R-Builder for crafting HTTP requests. Additional functionalities include cookie management and a decoder/encoder utility for various formats. With seamless integrations for Swagger.IO and Selenium, PTK supports enhanced security practices throughout the development lifecycle.