HiOChat is a free web-based group chat application that allows users to engage in real-time conversations. It functions similarly to popular messaging platforms like WhatsApp and LINE. HiOChat enables users to create and join group chats, send and receive messages instantly, and enjoy a seamless chatting experience—all through a simple, browser-accessible interface.

Step 1: Create Firebase Account

1. Create Authentication with email and password.

2. Create Firestore Database and rules below:

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    match /messages/{document} {
      allow read, create: if request.auth != null;
    }
    match /users/{userId} {
      allow read: if request.auth != null;
      allow write: if request.auth.uid == userId;
    }
  }
}

Demo Screenshort

Live Demo link: HiOChat