🖥️ Online Code Editor

An online code editor built using React (frontend) and FastAPI (backend) that allows users to write and execute code in multiple programming languages such as Python and JavaScript. The frontend is deployed on Vercel and the backend is hosted on Render.

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🚀 Live Demo

• Frontend: https://online-code-editor-zge3-git-main-dineshgokarams-projects.vercel.app
• Backend: https://online-code-editor-tree-main-backend.onrender.com

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🛠 Tech Stack

Frontend

• React
• Fetch API for backend integration
• Vercel for deployment

Backend

• FastAPI
• Pydantic
• Subprocess (to execute code safely)
• Render for deployment

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✨ Features

• 🔤 Language selection (e.g., Python, JavaScript)
• 🧑‍💻 Real-time code input
• 🟢 Runs code and displays output
• ⚙️ FastAPI backend with code execution logic
• 🌐 Fully deployed & accessible online

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📁 Project Structure

/frontend

• React app
• Code editor interface
• Language dropdown
• Send code to backend using POST /run

/backend

• FastAPI app
• Accepts POST request at /run
• Executes code in selected language
• Returns stdout and stderr as JSON

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🧪 How to Run Locally

Frontend

cd frontend
npm install
npm run dev


Screenshots----------------------------------------------------------------

![Screenshot 2025-05-28 114929](https://github.com/user-attachments/assets/37d7d40f-432e-4a6b-b367-34b8ce05fe57)
![image](https://github.com/user-attachments/assets/15786224-29bd-420a-ac61-9d0edcc7520e)

![Screenshot 2025-05-28 193537](https://github.com/user-attachments/assets/98d1ef71-246b-45bf-ab33-aa1142c21240)
![Screenshot 2025-05-29 105241](https://github.com/user-attachments/assets/e1ef840f-ddad-496e-8256-9197b7e5d0fe)
![Screenshot 2025-05-29 112401](https://github.com/user-attachments/assets/f7de852b-c98b-4ccb-a329-0a7bb01b30df)
![Screenshot 2025-05-29 120444](https://github.com/user-attachments/assets/0b70d8a8-8635-43eb-90a9-33d8d3ef1dc6)
![Screenshot 2025-05-29 121029](https://github.com/user-attachments/assets/e478ac85-d14c-493e-8108-f9f3ba2ed87d)
![Screenshot 2025-05-30 110050](https://github.com/user-attachments/assets/cb749ae4-3d67-40ae-872f-0d8dd5fee68a)
![Screenshot 2025-05-30 212230](https://github.com/user-attachments/assets/b2914da1-5d1b-4e99-8ad9-3df6c38acc50)
![Screenshot 2025-05-30 212528](https://github.com/user-attachments/assets/b864a16c-05e5-4621-bab3-d0a9d42b5633)