WebAuthnRecorder is a useful Chrome extension designed for developers and security professionals who need to record and analyze WebAuthn API calls. This tool captures the navigator.credentials calls—specifically, the create and get functions—when passkeys are utilized on web pages. The extension logs the request and response parameters, providing a clear view of the interactions with the WebAuthn API.

With its straightforward interface, WebAuthnRecorder allows users to easily access and review the logged data directly through the Chrome extension. This functionality is particularly beneficial for debugging and understanding the behavior of passkey implementations in web applications. As a free tool in the Add-ons & Tools category, it serves as an essential resource for those working with modern authentication standards.