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What is Chat Analysis?

Chat Analysis is a powerful Python tool designed to analyze chat conversations exported from messaging applications like WhatsApp. It processes chat text files, extracts meaningful insights, and generates beautiful visualizations including word clouds, frequency analysis, and time-based patterns.

Whether you want to understand your communication patterns, discover your most used words, or explore conversation trends over time, Chat Analysis provides a comprehensive suite of analytical tools wrapped in an intuitive web interface.

Key Features

📊 Word Analysis

Analyze word frequency, discover your most used words, and generate beautiful word clouds from your conversations.

⏰ Time Analysis

Explore messaging patterns by hour, day, and week. Understand when you're most active in your conversations.

👥 Author Statistics

Compare messaging activity between different participants and analyze response times and engagement patterns.

📈 Visualizations

Interactive charts and graphs including heatmaps, timelines, and distribution charts for comprehensive data exploration.

🔍 Advanced Filtering

Filter analysis by author, date range, or keywords to focus on specific conversations or time periods.

📱 Multi-Chat Comparison

Compare multiple chat conversations side-by-side to discover patterns across different groups or contacts.

How It Works

Export Your Chat: Export your WhatsApp conversation as a text file from the app settings.
Upload: Upload your chat file through the web interface or place it in the input directory.
Analysis: The tool processes your chat, cleaning and organizing the data automatically.
Explore: View interactive visualizations and insights in a beautiful, WhatsApp-inspired interface.

Technology Stack

The project is built using modern Python technologies and web frameworks:

Python Flask Pandas Plotly WordCloud NLTK JavaScript HTML5/CSS3

Project Structure

The project follows a clean, modular architecture:

src/data/ - Data import, cleaning, and transformation modules
src/analysis/ - Analysis operations for words and time patterns
src/config/ - Configuration management and settings
src/utils/ - Utility functions for logging and file operations
templates/ - HTML templates for the web interface
static/ - CSS stylesheets and JavaScript files
tests/ - Comprehensive test suite

Privacy & Security

Your data stays local. All processing happens on your machine. Chat files are never sent to external servers or third-party services. The application runs entirely on your local computer, ensuring complete privacy and security of your conversations.

You can review the source code to verify that no data is transmitted externally. All analysis is performed locally using open-source libraries.

Configuration

The tool is highly customizable through the config.yaml file. You can configure:

File paths and output directories
Word analysis parameters (minimum length, ignore lists, top N words)
WordCloud appearance (colors, dimensions, fonts)
Data cleaning rules (strings to remove, date formats)
Logging preferences

Getting Started

Ready to analyze your chats? Here's how to get started:

Install dependencies: pip install -r requirements.txt
Start the web application: python app.py
Open your browser to http://localhost:5000
Upload your chat file and explore the insights!

Contributing

This project is open source and welcomes contributions! Whether you want to add new features, improve existing functionality, or fix bugs, your contributions are appreciated.

To contribute:

Fork the repository
Create a feature branch
Make your changes
Add tests for new functionality
Ensure all tests pass
Submit a pull request

About Chat Analysis