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ToDo PWA

Cloud-synchronized task management platform powered by Firebase Authentication and Cloud Firestore, with real-time synchronization across multiple devices.

100%
Real-Time Sync
Multi Device
Access Anywhere
Firebase
Cloud Backend

Project Abstract

The Cloud-Synchronized Todo Application is a modern productivity solution that allows users to securely manage tasks using Firebase Authentication and Cloud Firestore. Unlike traditional local-storage todo applications, this system synchronizes data in real-time across desktops, laptops, tablets, and smartphones.

Technology Stack

HTML5 CSS3 JavaScript Firebase Authentication Cloud Firestore Firebase Hosting Git & GitHub Firebase CLI

System Architecture

User │ ▼ Firebase Authentication │ ▼ Web Application │ ▼ Cloud Firestore │ ├── users │ └── tasks

Workflow

1. Authentication

User registers or logs in using Firebase Authentication.

2. Task Creation

Tasks are stored securely inside Firestore.

3. Real-Time Sync

Snapshot listeners instantly synchronize changes.

4. Cross Device Access

Users can continue work from any device.

Database Design

Users Collection

{
  "uid": "user_id",
  "email": "user@example.com",
  "theme": "light",
  "defaultFilter": "all"
}

Tasks Collection

{
  "uid": "user_id",
  "text": "Finish project",
  "done": false,
  "createdAt": "timestamp",
  "updatedAt": "timestamp"
}

Key Features

Secure Authentication Cloud Storage Real-Time Updates Cross-Device Synchronization Responsive Design User Profile Management

Security Implementation

Results & Achievements

Future Enhancements