Postman Interceptor is a browser extension for Firefox that enhances the functionality of the Postman desktop application. It allows users to capture network requests and cookies directly from the browser, facilitating a smoother debugging process. Once installed, users can initiate debug sessions to monitor traffic, which can be paused and resumed as needed. Each session is meticulously logged, providing valuable insights into the captured data.

The extension's History tab displays all logged sessions along with their duration and captured traffic details. Users can easily manage their requests and responses, sending them to a collection for further analysis. Additionally, cookies can be stored in the Postman cookie jar, streamlining the workflow for developers and IT professionals. Overall, Postman Interceptor is a powerful tool for web development, offering essential features for efficient network management.