JometCode - Free Online Python IDE

Learn Python online for free — no install, no signup required.

Try it now: jometcode.2bd.net

Features

• Online Code Editor — powered by CodeMirror 6 with syntax highlighting, autocomplete, and multi-tab editing
• Run Python Instantly — execute code on a secure backend with isolated mode and 10-second timeout
• 28 Built-in Lessons — from basics to advanced: variables, loops, functions, OOP, decorators, generators
• File Explorer — create, edit, rename, and delete files and folders (with user accounts)
• Firebase Authentication — sign in with Google or GitHub to save your projects
• Dark & Light Themes — toggle between themes for comfortable coding
• Download Project — export all your files as a ZIP archive
• Mobile-Friendly — responsive layout works on phones and tablets

Quick Start

1. Open jometcode.2bd.net
2. Write Python code in the editor
3. Click Run or press Ctrl+Enter
4. See output instantly in the panel

Tech Stack

Component	Technology
Frontend	HTML, CSS, JavaScript, CodeMirror 6
Backend	Python 3.14, SimpleHTTPRequestHandler
Auth	Firebase Authentication (Google, GitHub)
Hosting	Render
Domain	jometcode.2bd.net (DNSExit)
Analytics	Umami Cloud
Code Execution	Python isolated mode (-I flag) with sandbox restrictions

Security

• All user code runs in Python's isolated mode (python -I)
• Dangerous modules (os, subprocess, socket, etc.) are blocked
• Rate limiting: 10 requests per minute per IP
• Code size limit: 100 KB
• 10-second execution timeout
• Security headers: X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Strict-Transport-Security

Project Structure

├── server.py              # HTTP server + API endpoint
├── index.html             # Main application page
├── learn.html             # Lessons page
├── terms.html             # Terms of Service
├── logo.png               # Favicon / logo
└── *.html                 # (28 HTML lesson files)

API

POST /api/run — Execute Python code

{
  "code": "print('Hello, World!')"
}

Response:

{
  "output": "Hello, World!\n",
  "error": ""
}

License

MIT License — see LICENSE for details.

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Made with ❤️ for the Python learning community.