AI Q&A Bot 🤖

An intelligent document analysis system that lets you ask questions about any uploaded document and get relevant answers in real-time.

🎥 Demo

Screenshot

Video

demo-v1.mp4

⬇️Demo Video Download

✨ Features

• 📁 Drag-and-drop file upload interface
• 💬 Natural language Q&A about document contents
• 🎨 Modern, responsive UI with gradient aesthetics
• ⚡ Real-time streaming responses
• 🔒 Secure file handling with automatic cleanup

🚀 Quick Start

1. Clone the repository:

git clone https://github.com/yourusername/qa-bot.git
cd qa-bot

2. Install dependencies:

npm install

3. Start the server:

npm start

4. Open http://localhost:3000 in your browser

🏗️ Architecture

Frontend (public/index.html)

• Modern UI with gradient design
• Drag & drop file upload
• Real-time response streaming
• Error handling and loading states

Backend (index.js)

• Express.js server
• Multer for file handling
• Secure file processing
• Automatic cleanup after analysis

🛠️ Tech Stack

• Frontend: HTML5, CSS3, Vanilla JavaScript
• Backend: Node.js, Express
• File Handling: Multer
• AI Processing: Custom QA Bot implementation

🔄 API Endpoints

POST /query

Upload a file and ask questions about its contents.

// Request (multipart/form-data)
{
  file: File,
  query: string
}

// Response
{
  answer: string
}

🎯 Use Cases

1. Document Analysis

   • Legal document review
   • Research paper analysis
   • Technical documentation queries

2. Educational Support

   • Study material comprehension
   • Quick document summarization
   • Exam preparation

3. Business Intelligence

   • Contract analysis
   • Report interpretation
   • Policy review

4. Content Research

   • Market research analysis
   • Competitive analysis
   • Data extraction

🔜 Future Enhancements

• Support for multiple file formats (PDF, DOCX, TXT)
• Chat history persistence
• Document highlighting for answers
• Batch processing capability
• Export conversation history