ZAP by Checkmarx is an open-source security tool designed to test the security of web applications, now available as a browser extension for Firefox. This extension enhances the capabilities of ZAP by allowing it to gather detailed information directly from the browser, making the testing process more efficient and integrated. However, it is important to note that this extension is primarily intended for users who are already utilizing the ZAP platform, as it is bundled within a ZAP add-on that activates upon launching ZAP.

The ZAP browser extension is categorized under Security & Privacy, specifically focusing on Anti-Spam & Anti-Spy functionalities. While it offers robust features for security testing, it is recommended that most users refrain from installing the extension unless they are actively using ZAP for web application security assessments. This ensures that the tool is used effectively and within the intended context.