💬 LAN Chat - Private Local Messenger
A modern, real-time private messaging and file-sharing web application designed for local networks (LAN/WiFi). No database, no login credentials, no cloud storage. Just fast, private, and temporary communication.
PythonFlaskLicense ✨ Features
📡 Local Network Ready: Works on any WiFi network using the host's local IP.
🔒 Private Messaging: Real-time one-to-one chat using Socket.IO.
📂 File Sharing: Share images, PDFs, and documents (up to 50MB) securely.
💾 Zero Storage: Messages exist only in memory. No database, no history, full privacy.
🎨 Modern UI: Dark-themed, responsive interface inspired by modern messaging apps.
⌨️ Typing Indicators: See when the other person is typing.
🟢 Online Status: View active users in the sidebar.
📸 Screenshots
(Tip: Take a screenshot of your app running, save it in a folder named screenshots, and link it here) 🚀 Getting Started
Follow these instructions to get the project up and running on your local machine. Prerequisites
Python 3.8 or higher
A device connected to a local WiFi network
Installation
---Clone the repository---
git clone https://github.com/your-username/lan-chat-app.gitcd lan-chat-app
Create a virtual environment (Optional but recommended)
----bash----
# Windows
python -m venv venv
venv\Scripts\activate
# macOS/Linux
python3 -m venv venv
source venv/bin/activate
Install dependencies
----bash---- pip install -r requirements.txt
Run the application
----bash----
python app.py
Access the App
The terminal will display the local IP address.
Open http://<local-ip>:5000 in your browser.
Share this address with others on the same WiFi network.
🛠️ Tech Stack
Backend: Python, Flask, Flask-SocketIO
Frontend: HTML5, CSS3, JavaScript (Vanilla), Tailwind CSS (CDN)
Real-time Engine: Socket.IO
📝 License
This project is licensed under the MIT License - see the LICENSE file for details. 🤝 Contributing
Contributions, issues, and feature requests are welcome! Feel free to check the issues page.
Made with ❤️ by [Varun Rajput]