📄 Document Similarity Checker

🔍 A modern web application for comparing two documents and determining their similarity percentage using advanced AI algorithms. Supports PDF, DOC, DOCX, and TXT files with a beautiful glassmorphism UI design.

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✨ Features

📄 Document Comparison

✅ Upload Two Documents - Support for PDF, DOC, DOCX, and TXT files ✅ AI-Powered Analysis - Advanced natural language processing using spaCy ✅ Similarity Scoring - Get accurate percentage similarity between documents ✅ Text Extraction - Automatic text extraction from various file formats ✅ Real-time Results - Instant similarity analysis and scoring

🎨 Modern UI/UX

✅ Glassmorphism Design - Beautiful frosted glass effects ✅ Dark/Light Mode - Automatic theme detection with manual toggle ✅ Responsive Design - Works perfectly on all devices ✅ Smooth Animations - Modern transitions and hover effects ✅ Gradient Cards - Visual differentiation with multiple gradient styles

👤 User System

✅ User Registration & Login - Secure authentication system ✅ Profile Management - User dashboard and settings ✅ Session Management - Secure user sessions

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🛠️ Tech Stack

Backend

• Django - Python web framework
• spaCy - Natural language processing
• NLTK - Text processing toolkit
• scikit-learn - Machine learning algorithms

Frontend

• HTML5 - Semantic markup
• CSS3 - Modern styling with custom properties
• JavaScript - Interactive theme management
• Font Awesome - Beautiful icons

AI & Analysis

• TF-IDF Vectorization - Text similarity analysis
• Cosine Similarity - Document comparison algorithm
• Text Preprocessing - Tokenization and lemmatization

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✨ ScreenShots

🚀 How It Works

1. 📤 Upload Documents - Select two files to compare (PDF, DOC, DOCX, or TXT)
2. 🤖 AI Analysis - Advanced algorithms process and analyze the text content
3. 📊 Get Results - Receive similarity percentage and detailed analysis
4. 🎨 Modern UI - Enjoy the beautiful interface with theme switching

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📋 Requirements

• Python 3.8+
• Django 4.0+
• spaCy with English model
• NLTK data packages
• PyPDF2 for PDF processing
• python-docx for Word document processing

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⚡ Quick Start

Installation

# Clone the repository
git clone https://github.com/skp3214/document-similarity-checker.git
cd document-similarity-checker

# Create virtual environment
python -m venv venv
venv\Scripts\activate  # Windows
# source venv/bin/activate  # Linux/Mac

# Install dependencies
pip install -r requirements.txt

# Download NLTK data
python -c "import nltk; nltk.download('punkt'); nltk.download('stopwords'); nltk.download('wordnet')"

# Download spaCy model
python -m spacy download en_core_web_sm

Setup

# Navigate to project directory
cd Doc_Scanner_Matcher

# Run migrations
python manage.py migrate

# Create superuser (optional)
python manage.py createsuperuser

# Start development server
python manage.py runserver

Access

Open your browser and go to: http://127.0.0.1:8000/

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📖 Usage

For Users

1. 🏠 Home Page - Landing page with modern design
2. 📤 Upload Documents - Select two files to compare
3. 📊 View Results - See similarity percentage and analysis
4. 👤 Profile - Manage your account and settings
5. 🌙 Theme Toggle - Switch between light and dark modes

Supported File Formats

• 📄 PDF - Portable Document Format
• 📝 DOC/DOCX - Microsoft Word documents
• 📃 TXT - Plain text files

AI Analysis Features

• 🔍 Text Extraction - Automatic content extraction
• 🧠 Semantic Analysis - Understanding document meaning
• 📈 Similarity Scoring - Percentage-based comparison
• 🎯 Content Matching - Advanced text comparison algorithms

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🎨 UI Features

Modern Design Elements

• Glassmorphism - Frosted glass effects with backdrop blur
• Gradient Cards - Multiple gradient styles for visual appeal
• Smooth Animations - Hover effects and page transitions
• Responsive Layout - Optimized for all screen sizes

Theme System

• 🌞 Light Mode - Clean, bright interface
• 🌙 Dark Mode - Easy on the eyes with modern aesthetics
• Auto Detection - Respects system preferences
• Manual Toggle - One-click theme switching

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📬 Contact & Support

For questions, feedback, or contributions:

📧 Email: spsm1818@gmail.com
🐙 GitHub: skp3214

🐛 Bug Reports & Feature Requests

• Use GitHub Issues for bug reports
• Feature requests and UI/UX suggestions are welcome!
• Pull requests for improvements are encouraged

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🏷️ Project Status

✅ Current Version: v2.0

• 🎨 Modern UI Complete - Glassmorphism design with dark/light mode
• 🔧 Fully Functional - Document comparison working perfectly
• 📱 Mobile Responsive - Optimized for all screen sizes
• ♿ Accessible - WCAG compliant design
• 🚀 Production Ready - Optimized for deployment

🔮 Future Enhancements

• 🌐 Multi-language Support (i18n)
• 📊 Advanced Analytics with comparison history
• 🔄 Batch Processing for multiple document pairs
• 📱 Progressive Web App (PWA) features
• 🎯 API Endpoints for third-party integrations

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🚀 Happy Coding! 😊

Built with ❤️ using Django, modern CSS, and AI-powered NLP