Firebase Authentication is a versatile and user-friendly service within the Google Firebase platform, designed to simplify user authentication processes in web and mobile applications. With Firebase Authentication, developers can seamlessly implement secure sign-in methods, effectively manage user identities, and ensure a secure and smooth user experience. In this lesson, we’ll delve into the fundamentals of Firebase Authentication and provide a step-by-step walkthrough for its setup.

Core features of Firebase Authentication

The features available to us through Firebase authentication are given below:

Diverse authentication providers

Firebase Authentication supports an array of authentication methods, ranging from traditional email/password setups to phone numbers, Google, Facebook, Twitter, and more. This flexibility empowers developers to choose the authentication method that aligns best with their application’s user experience and security requirements.

Security and scalability

Firebase Authentication boasts a secure and scalable infrastructure for handling user authentication. It adheres to industry-standard security practices, ensuring the protection of user credentials through secure token generation and storage.

Real-time authentication state

Developers can effortlessly monitor users’ authentication states in real time. This capability is invaluable for building dynamic applications that respond to changes in users’ authentication status, facilitating actions such as displaying personalized content post-login.

Custom authentication system integration

For more advanced scenarios, Firebase Authentication permits developers to integrate custom authentication systems. This feature facilitates seamless integration with existing user databases or third-party identity providers.

Setting up Firebase Authentication:

Let’s navigate through the process of setting up Firebase Authentication in our project:


Follow the steps below:

  1. Navigate to the “All products” menu and select “Authentication.”

  2. Click “Get started” to continue.

  3. Select the preferred authentication provider.

  4. Enable it.

  5. Continue to add any other provider of choice.

These steps have been illustrated in the following slides:

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