Telegram to Markdown Converter

Convert Telegram chat HTML exports to structured Markdown files for LLM analysis.

Features

• Converts Telegram HTML exports to clean, structured Markdown
• Filters messages by date range
• Splits output into manageable file sizes
• Preserves message metadata and reactions
• Optimized for LLM processing

Installation

1. Clone the repository:

git clone https://github.com/YOUR_USERNAME/telegram-markdown-converter.git
cd telegram-markdown-converter

2. Install dependencies:

npm install

Usage

1. Export your Telegram chat history as HTML
2. Place the HTML files in the messages directory
3. Run the converter:

# Basic usage
npm start

# With date range
npm start -- -f 2023-01-01 -t 2023-12-31

# Specify maximum output file size (in KB)
npm start -- -s 1000

Options

• -f, --from <date>: Start date (YYYY-MM-DD)
• -t, --to <date>: End date (YYYY-MM-DD)
• -s, --size <size>: Maximum output file size in KB (default: 500)

Directory Structure

telegram-to-markdown-converter/
├── src/                  # Source code
├── messages/             # Input HTML files
└── output/              # Generated Markdown files

License

MIT

Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request