Add Firebase to your JavaScript project

Follow this guide to use the Firebase JavaScript SDK in your web app or as a client for end-user access, for example, in a Node.js desktop or IoT application.

Step 1: Create a Firebase project and register your app
Before you can add Firebase to your JavaScript app, you need to create a Firebase project and register your app with that project. When you register your app with Firebase, you'll get a Firebase configuration object that you'll use to connect your app with your Firebase project resources.

Note: Upgrading from the version 8 Firebase SDK? Check out our upgrade guide.
Visit Understand Firebase Projects to learn more about Firebase projects and best practices for adding apps to projects.

Create a Firebase project
Register your app
If you don't already have a JavaScript project and just want to try out a Firebase product, you can download one of our quickstart samples.

Step 2: Install the SDK and initialize Firebase
This page describes setup instructions for version 9 of the Firebase JS SDK, which uses a JavaScript Module format.

This workflow uses npm and requires module bundlers or JavaScript framework tooling because the v9 SDK is optimized to work with module bundlers to eliminate unused code (tree-shaking) and decrease SDK size.



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