🎬 MP4 to WebP Converter

🌍

A high-performance web-based tool for converting MP4 videos to WebP animations with advanced customization options.

✨ Features

• 🎥 MP4 → WebP Conversion: Generate high-quality animated WebP files
• 🎨 Dark/Light Theme: Auto-detect system preference with manual toggle
• 🌐 Multi-language Support: Auto-detect Korean/English with manual switching
• 📐 Size Control: Resize based on width or height with custom dimensions
• 🎚️ Quality Settings: Lossless/lossy compression options
• 📁 Folder Management: Web-based output folder selection
• 🔌 One-click Shutdown: Safe server shutdown from web interface

🚀 Quick Start

Automatic Installation & Launch (Recommended)

1. Download all files to a single folder
2. Double-click start.bat
3. Everything installs and runs automatically!

Manual Installation

# 1. Verify Python 3.8+ installation
python --version

# 2. Install dependencies
pip install -r requirements.txt

# 3. Run server
python app.py

# 4. Open browser
# http://localhost:5000

📁 Project Structure

MP4-to-WebP-Converter/
├── start.bat              # Auto-installer and launcher script
├── app.py                 # Flask backend server
├── requirements.txt       # Python package dependencies
├── templates/
│   └── index.html        # Web frontend interface
├── uploads/              # Uploaded MP4 files (auto-created)
├── outputs/              # Converted WebP files (auto-created)
└── venv/                 # Virtual environment (auto-created)

🔧 System Requirements

• Python 3.8+
• Windows 10/11 (works on other OS but batch file is Windows-only)
• Minimum 4GB RAM (Recommended: 8GB+)
• OpenCV-compatible system

📋 Dependencies

• Flask - Web server framework
• opencv-python - Video processing
• Pillow - Image processing and WebP generation
• psutil - System resource monitoring
• Werkzeug - Flask utilities
• numpy - Numerical computations

🎯 Usage

1. Upload Files: Drag & drop MP4 files or use file selector
2. Adjust Settings: Quality, compression, FPS, size, etc.
3. Select Output Folder: Choose where to save converted files
4. Start Conversion: Click "Start Conversion" button
5. Download Results: Download files after conversion completes

🌟 Advanced Features

Theme Switching

• 🌙/☀️ button to toggle dark/light mode
• Auto-detect system preference

Language Switching

• 🌐 button to toggle Korean/English
• Auto-detect browser language

Server Shutdown

• 🔌 button for safe server shutdown
• Closes both web interface and server

🛠️ Troubleshooting

Python Not Installed

• Download from Python Official Site
• Important: Check "Add Python to PATH" during installation

Package Installation Failed

# Upgrade pip
python -m pip install --upgrade pip

# Run as administrator
# Or use virtual environment
python -m venv venv
venv\Scripts\activate
pip install -r requirements.txt

Port Conflict

# Edit last line in app.py
app.run(debug=True, host='0.0.0.0', port=5001)  # Change port

Browser Doesn't Open Automatically

• Manually navigate to http://localhost:5000
• Check Windows Firewall settings
• Try different browser

📜 License

This project is distributed under the MIT License.

🤝 Contributing

Bug reports, feature requests, and pull requests are welcome!

📞 Support

If you encounter issues, please create an issue or contact us.

🎉 Acknowledgments

• Built with Flask and OpenCV
• Uses Pillow for WebP generation
• Inspired by modern web design principles

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💡 Tip: Create a desktop shortcut to start.bat for quick access!