LINE Chat Analytics 💬📊

Analyze your LINE chat conversations with beautiful visualizations and insights

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🚀 Choose Your Version

This project offers two versions to suit different needs:

🆕 Version 2.1 - Flask Web App (Recommended)

• ✨ Modern responsive web interface
• 🌏 Full Thai language support
• 📊 10+ interactive visualizations with cumulative toggle
• 🤝 Relationship dynamics analysis with balance scoring
• 💬 Conversation flow tracking with streak detection
• ⏰ Temporal pattern analysis (weekend/weekday, trends, seasons)
• 🏆 Engagement scoring system (0-100 with rankings)
• 🎯 Advanced analytics (response patterns, emoji usage, text prediction)
• 🚀 Better stability and performance
• 📱 Mobile-friendly design
• 💾 Large file support (up to 100MB)

➡️ Go to v2-flask/

📱 Version 1 - Streamlit (Original)

• 🤖 TensorFlow-based ML predictions
• 📈 Classic Streamlit interface
• 🎯 Core analytics features
• 📊 Basic visualizations

➡️ Go to v1-streamlit/

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⚡ Quick Start (v2 - Recommended)

# Clone the repository
git clone https://github.com/pannapann/line-chat-analytics.git

# Navigate to Flask version
cd line-chat-analytics/v2-flask

# Install dependencies  
pip install -r requirements.txt

# Run the application
python flask_app.py

# Open http://localhost:8888 in your browser

📱 How to Export LINE Chat Data

1. Open LINE app on your mobile device
2. Select the chat you want to analyze
3. Tap settings (≡ menu → Settings)
4. Choose "Export chat history"
5. Select "Without media" for faster processing
6. Save the .txt file and upload to the app

✨ Features Overview

Feature	v1 (Streamlit)	v2 (Flask)
📊 Basic Analytics	✅	✅ Enhanced
🎨 Interactive Charts	✅ Basic	✅ 7+ Chart Types
🌏 Thai Language	⚠️ Limited	✅ Full Support
📱 Mobile Friendly	❌	✅ Responsive
🤖 Text Prediction	✅ TensorFlow	✅ Lightweight
💾 Large Files	❌ Limited	✅ Up to 100MB
📈 Advanced Stats	❌	✅ Response patterns, emoji analysis
🎯 Easy Setup	⚠️ Dependencies	✅ Simple

📊 Analytics Capabilities

• 📈 Message Volume: Daily/hourly patterns, trends over time
• 👥 User Activity: Individual statistics, most active users
• 💬 Response Patterns: Average response times, conversation starters
• 📝 Text Analysis: Word frequency, message length analysis
• 😊 Emoji Usage: Most used emojis by user
• 🔮 Text Prediction: Predict message author from text content
• 🌈 Word Clouds: Beautiful visualizations (Thai + English fonts)
• 📊 Interactive Charts: Zoom, filter, and explore your data

🛠️ Technical Details

Version 2 (Flask) - Recommended

• Backend: Flask 2.3+, pandas, plotly
• UI: Bootstrap 5, Font Awesome, custom CSS
• Thai Support: pythainlp for proper text processing
• Charts: Plotly.js for interactive visualizations
• File Handling: Up to 100MB chat exports

Version 1 (Streamlit) - Original

• Backend: Streamlit 1.12, TensorFlow 2.x
• ML: TensorFlow/Keras for text prediction
• Limitations: Dependency conflicts, smaller file limits

🤝 Contributing

Found a bug or want to add features? Contributions are welcome!

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Submit a pull request

📄 License

This project is open source under the MIT License.

🆕 What's New in v2?

• 🎨 Complete UI redesign with LINE-themed colors
• 🌏 Native Thai language support with proper tokenization
• 📊 7 new chart types including user comparisons and time patterns
• 🔮 Improved text prediction without heavy ML dependencies
• 📱 Mobile-responsive design that works on all devices
• ⚡ Better performance with optimized data processing
• 📈 Advanced analytics including response patterns and emoji usage
• 🛠️ Easier deployment with simplified dependencies

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Start exploring your LINE chat data today! 🚀