Beginner's Guide: Connect React with Supabase 🚀

If you already know basic React (components, useState, useEffect), this guide will show you how to connect your React app to Supabase — an open-source Firebase alternative — and build a simple To-Do app with full CRUD (Create, Read, Update, Delete).

Let's go step by step. No prior Supabase knowledge needed.

What is Supabase?

Supabase gives you a Postgres database, authentication, and instant APIs — without writing any backend code. Think of it as a backend-as-a-service.