PDF Summarizer

A full-stack application that generates concise summaries from PDF documents using AI, with support for both English and Bahasa Indonesia.

Features

• 📄 PDF upload and preview
• 🔍 Selective page range summarization
• 🌐 Bilingual support (English and Bahasa Indonesia)
• ⚡ Real-time PDF preview
• 📝 Customizable summary length (minimum paragraphs)
• 🎯 Precise summarization using GPT-4
• 🔄 Multi-step summarization process for better coherence

Demo

Summary in English

Summary in Bahasa Indonesia

Tech Stack

Frontend

• React 18 with TypeScript
• Vite for build tooling
• CSS Modules for styling
• Modern ES2020+ features

Backend

• Node.js with Express
• TypeScript for type safety
• OpenAI API for GPT-4 integration
• PDF processing libraries (pdf-lib, pdf-parse)
• Multer for file uploads

Getting Started

Prerequisites

• Node.js 18 or higher
• OpenAI API key
• npm or yarn

Installation

1. Clone the repository
2. Install dependencies by running npm i at both frontend and backend directory
3. Create a .env file in the backend directory, follow the contents of .env.example
4. Start the development servers by running npm run dev at both frontend and backend directory