🚀 CodePad

A modern, open-source multi-language online code editor & execution platform built with Next.js, TypeScript, and Tailwind CSS.

Write • Execute • Learn — all in one clean, fast, and mobile-friendly interface.

🔗 Live Demo: Click Me

📖 Documentation: See files inside the repo

🐛 Report Issues: GitHub Issues tab

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✨ Key Highlights

• 🖥️ Multi-language code editor & runner
• ⚡ Real-time code execution
• 📱 Fully responsive (desktop + mobile tabs)
• 🤖 Smart AI-based language detection
• 💾 Local file save & load support
• ⚙️ Zero configuration – just open & start coding
• 🌐 Deployable on free hosting platforms

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🖼️ Preview

Desktop Experience Editor + Input + Console in a single screen layout.

Mobile Experience Tab-based UI for Editor, Input, and Console — optimized for small screens.

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🌈 Supported Languages

Interpreted

• JavaScript
• TypeScript
• Python
• PHP
• Ruby
• R

Compiled

• C
• C++
• Java
• Rust
• Kotlin

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🤔 Why CodePad?

Most online compilers:

• Require signup ❌
• Break on mobile ❌
• Are slow or bloated ❌

CodePad is different:

• ✅ No login required
• 🚀 Fast execution on free infrastructure
• 📱 Excellent mobile UX
• 🧠 Automatic language detection
• ❤️ 100% open-source & beginner-friendly

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🛠️ Tech Stack

Frontend

• Next.js
• React
• TypeScript
• Tailwind CSS

Backend & Runtime

• Node.js
• Vercel-compatible execution

AI & UI Tools

• Genkit
• shadcn/ui

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🚀 Quick Start

Local Development

# Clone the repository
git clone https://github.com/aman179102/CodePad.git

# Go to project directory
cd CodePad

# Install dependencies
npm install

# Start development server
npm run dev

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

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📦 Deployment

CodePad is designed to run on free hosting platforms.

Deploy on Vercel (Free)

npm run build
npx vercel --prod

📄 Detailed guides:

• DEPLOYMENT.md
• LIFETIME_FREE_DEPLOYMENT.md
• KEEP_ALIVE_GUIDE.md

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🧠 AI Features

• Automatic programming language detection
• Smart handling of editor content
• Designed to be extensible for future AI features

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🤝 Contributing

Contributions are very welcome 🙌

How to contribute:

1. Fork the repository
2. Create a new branch
3. Make your changes
4. Open a Pull Request 🚀

Look for issues labeled good first issue if you’re new to open source.

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🐛 Reporting Bugs

Found a bug?

• Open an issue with clear steps to reproduce
• Include screenshots or logs if possible

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💡 Feature Requests

Have an idea?

• Open a feature request issue
• Explain the use-case clearly

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📄 License

This project is licensed under the MIT License.

You are free to use, modify, and distribute this project.

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🙏 Acknowledgments

• shadcn/ui for clean UI components
• Vercel for amazing deployment support
• Next.js team for the framework
• Open-source community ❤️

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🌟 Support the Project

If you find CodePad useful:

• ⭐ Star this repository
• 🍴 Fork it
• 🧑‍💻 Share it with other developers

Made with ❤️ by Aman Kumar

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