HTTP Tracker is a Firefox add-on designed for developers and IT professionals, enabling comprehensive monitoring of network traffic across all tabs and pages. This tool captures requests and response headers, allowing users to filter and analyze data effectively. It features a single instance popup, non-blocking async monitoring, and the ability to mask sensitive data in form fields, ensuring high security during usage. Users can easily delete captured data or compare requests between different sessions, including incognito mode.

The add-on boasts high performance, with filtering results achieved in under 100 milliseconds, even with large datasets. Accessibility is enhanced with keyboard shortcuts, making it user-friendly. The preferences page allows storage of settings for convenience, and tooltips provide helpful guidance. Overall, HTTP Tracker is a powerful tool for anyone looking to streamline their web development and monitoring processes.