📄 Advanced Document Converter

A powerful Streamlit-based web application for converting between various document formats. This tool provides a user-friendly interface for all your document conversion needs.

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✨ Features

• 🔄 Conversion Tools
  • PDF to Word - Extract text from PDF to Word documents
  • Word to PDF - Convert Word documents to PDF format
  • Merge PDFs - Combine multiple PDF files into one
  • Split PDF - Split PDF into single pages or extract page ranges
  • Compress PDF - Reduce PDF file size with adjustable compression
  • PDF to PowerPoint - Convert PDF content to presentations
  • PDF to JPG - Extract pages from PDF as images
  • JPG to PDF - Combine multiple images into a PDF
  • PDF to Excel - Extract text from PDF to spreadsheet format

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🎨 User Interface

Clean, modern design with custom CSS styling

Responsive layout that works on all screen sizes

Intuitive tabbed interface for easy navigation

Real-time file preview and information

Progress indicators during conversion

Download buttons for converted files

🚀 Installation

Prerequisites Python 3.7 or higher

LibreOffice (for Word to PDF and Excel to PDF conversion)

Step 1: Clone or Download the Project

git clone <your-repository-url>
cd advanced-document-converter

Step 2: Install Python Dependencies bash pip install -r requirements.txt If you don't have a requirements.txt file, install packages individually:

pip install streamlit PyMuPDF python-docx python-pptx pillow pandas reportlab openpyxl img2pdf

Step 3: Install LibreOffice Windows:

Download from LibreOffice Official Website

Follow the installation wizard

macOS:

brew install libreoffice
Ubuntu/Debian:

sudo apt-get update
sudo apt-get install libreoffice
Other Linux Distributions:

Use your distribution's package manager or download from the official website

🏃‍♂️ Usage

Running the Application

streamlit run app.py
The application will open in your default web browser at http://localhost:8501

How to Use Select Conversion Type: Choose from the sidebar options

Upload File(s): Use the file uploader to select your document(s)

Configure Options: Adjust settings if needed (compression level, page range, etc.)

Convert: Click the conversion button

Download: Use the download button to save your converted file

Supported File Formats Input: PDF, DOCX, DOC, JPG, JPEG, PNG, XLSX, XLS

Output: PDF, DOCX, PPTX, JPG, XLSX, ZIP

🛠️ Technical Details

Architecture
text
advanced-document-converter/
│ ├── app.py # Main Streamlit application
├── docs.py # Additional PDF manipulation functions
├── temp/ # Temporary files directory (auto-created)
├── output/ # Output files directory (auto-created)
└── requirements.txt # Python dependencies

Key Libraries Used

Streamlit: Web application framework

PyMuPDF (fitz): PDF manipulation and text extraction

python-docx: Word document creation and manipulation

python-pptx: PowerPoint presentation creation

Pillow (PIL): Image processing

pandas: Data manipulation for Excel conversion

ReportLab: PDF generation from images

img2pdf: Image to PDF conversion

openpyxl: Excel file manipulation

Platform Support

✅ Windows (Full functionality with LibreOffice)

✅ macOS (Full functionality with LibreOffice)

✅ Linux (Full functionality with LibreOffice)

🔧 Troubleshooting

• Common Issues

  • LibreOffice not found error
  • Ensure LibreOffice is installed and accessible in your system PATH
  • Restart your terminal/command prompt after installation
  • Conversion fails for large files
  • The application may time out for very large files (>100MB)
  • Try compressing files first or splitting them into smaller parts

• Memory errors

  • The application may struggle with very large files on systems with limited RAM
  • Close other applications to free up memory

• Formatting issues

  • Complex formatting may not be preserved perfectly in conversions
  • Some advanced PDF features (forms, annotations) won't be converted

• Performance Tips

  • For large PDFs, use compression before other operations
  • Split large files into smaller chunks for better performance
  • Close other browser tabs to improve application responsiveness

📁 Project Structure

text
advanced-document-converter/
│ ├── app.py # Main application file
├── docs.py # PDF manipulation functions
├── temp/ # Temporary storage for processing
├── output/ # Storage for converted
├── requirements.txt # Python dependencies
├── README.md # This file
└── .gitignore # Git ignore file

🤝 Contributing

We welcome contributions! Please feel free to submit issues, feature requests, or pull requests.

Development Setup Fork the repository

Create a feature branch: git checkout -b feature-name

Make your changes and test thoroughly

Commit your changes: git commit -m 'Add some feature'

Push to the branch: git push origin feature-name

Submit a pull request

• Testing

  • Test all conversion types with various file formats

  • Verify cross-platform compatibility

  • Check error handling with invalid files

📄 License

This project is open source and available under the MIT License.

🙏 Acknowledgments

Streamlit for the amazing web framework

PyMuPDF for PDF manipulation capabilities

LibreOffice for document conversion capabilities

All the open-source libraries that make this project possible

📞 Support

If you encounter any issues or have questions:

Check the Troubleshooting section

Search existing GitHub Issues

Create a new issue with detailed information about your problem

🔄 Version History

v1.0.0 (Current)

Initial release with all core conversion features

Cross-platform support

Responsive web interface

Note: This application processes files on your local machine. No documents are uploaded to external servers, ensuring your data privacy and security.