AI-powered full-stack application that explains source code in simple, human-readable language using Large Language Models.

Built for developers, students, and open-source contributors who want to understand unfamiliar codebases faster.

• AI-generated code explanations
• Full-stack architecture
• Frontend + Backend separation
• Gemini API integration
• Clean and modular project structure
• Beginner-friendly code understanding
• Supports multiple programming languages
• Fast response workflow

• JavaScript
• HTML
• CSS
• React (if used)

• Node.js
• Express.js
• Gemini API

• Git
• GitHub
• REST APIs

code-explainer/
│
├── backend/          # Backend API and AI integration
├── frontend/         # Frontend user interface
├── pratice/          # Experimental or practice files
├── README.md
└── package-lock.json

User Inputs Code
        ↓
Frontend UI
        ↓
Backend API
        ↓
Gemini AI Processing
        ↓
Generated Explanation
        ↓
Frontend Display

git clone https://github.com/AB-stack-cmd/code-explainer.git
cd code-explainer

cd backend
npm install

Create a .env file inside the backend directory.

GEMINI_API_KEY=your_api_key_here
PORT=5000

npm start

cd frontend
npm install
npm start

1. User submits source code.
2. Frontend sends request to backend.
3. Backend prepares AI prompt.
4. Gemini API generates explanation.
5. Response is returned to frontend.
6. User receives simplified explanation.

• Understanding open-source repositories
• Learning new programming languages
• Explaining complex functions
• Teaching programming concepts
• AI-assisted code learning
• Developer onboarding

• Repository-level analysis
• File upload support
• Syntax highlighting
• Authentication system
• Multi-model AI support
• Code summarization
• Architecture visualization
• Export explanations as PDF/Markdown
• Dark mode UI
• Streaming AI responses

• Never expose API keys in frontend code.
• Use environment variables for secrets.
• Validate user input before processing.
• Add request rate limiting for production.

Contributions are welcome.

1. Fork the repository
2. Create a new feature branch
3. Commit your changes
4. Push to GitHub
5. Open a Pull Request

This project is licensed under the MIT License.

Developed by AB-stack-cmd

GitHub Repository:

code-explainer repository