The Firebase Emulator Suite is a set of tools that emulates the core Firebase services, allowing you to run and test your Firebase applications on your local machine.
It provides emulators for various Firebase services, including Cloud Functions, Firestore, Realtime Database, Authentication, Storage, and Pub/Sub.
By using the Emulator Suite, developers can avoid costs associated with live Firebase services, eliminate network dependencies, and work offline.
The Emulator Suite also offers a user-friendly UI for easy debugging, testing security rules, and simulating authentication scenarios.