PowerPoint to PDF Converter

A web application that allows users to convert multiple PowerPoint files (PPT/PPTX) to PDFs in batch mode with a modern, user-friendly interface.

Features

• Multi-file upload support with drag-and-drop functionality
• Batch conversion of PPT/PPTX files to PDF
• Real-time progress tracking for each conversion
• Download options for individual PDFs or ZIP bundles
• Secure processing with automatic file cleanup after 24 hours
• Preserves original formatting, images, and embedded elements

Tech Stack

• Frontend: React with TypeScript, Tailwind CSS
• Backend: Node.js with Express
• File Conversion: LibreOffice CLI integration
• Additional Libraries:
  • react-dropzone for drag-and-drop
  • JSZip for bundling downloads
  • shadcn/ui components
  • React Query for API state management

Setup

1. Install dependencies:

npm install

2. Make sure LibreOffice is installed on your system.

3. Start the development server:

npm run dev

The application will be available at http://0.0.0.0:5000

Project Structure

├── client/           # Frontend React application
├── server/           # Backend Express server
├── uploads/          # Temporary storage for uploaded files
├── converted/        # Storage for converted PDFs
├── shared/           # Shared types and schemas

API Endpoints

• POST /api/conversion - Upload and convert files
• GET /api/files/:id/:filename - Download converted files
• POST /api/conversion/:id/cancel - Cancel ongoing conversion

Security Features

• Automatic file cleanup after 24 hours
• File size limits (100MB per file)
• Secure file handling and processing
• Input validation and sanitization

Limitations

• Maximum file size: 100MB
• Supported input formats: PPT, PPTX
• Output format: PDF, DOC