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The Smartest Online
Code Editor for Students

Write, run, and learn Python, C, C++ & Java in your browser. Built by Prof. Abhishek Singh — author of 4 Python books, NVIDIA AI Specialist, and trainer of 3,000+ students across India.

4
Languages
25+
Tutorials
8+
Challenges
AI
Smart Hints
Free Forever
// Why CodeProfessor?
Everything a Student Needs
Designed from scratch to be the editor we always wished existed — fast, clean, and genuinely educational.

Real Python 3.11 Execution

Python runs directly in your browser via Skulpt — no installs, no server, instant execution. Works offline too.

🤖

AI Hints (Claude-Powered)

Get intelligent, context-aware hints powered by Claude AI. It reads your code and gives smart guidance.

🎯

Challenges + XP System

8+ real coding challenges with auto-graded test cases and an XP points system to track progress.

📖

25+ Built-in Tutorials

Step-by-step tutorials from Hello World to Decorators — each loads directly into the editor.

👥

Live Collaboration

Create a room, share the ID, code together. Perfect for pair programming and classroom sessions.

🎨

5 Beautiful Themes

Dracula, Monokai, Material Darker, Nord, and Light mode. Your eyes, your choice.

💾

Auto-Save

Your code is automatically saved to your browser. Come back anytime — your work is still there.

⌨️

Pro Keyboard Shortcuts

F5 to run, Ctrl+/ to comment, code folding, bracket matching — a real IDE experience.

🗂️

Multi-Tab Editor

Open multiple files in tabs and switch between them — just like VS Code, in your browser.

// Supported Languages
4 Languages, One Editor
🐍

Python 3.11

Live execution in browser

● Live Execution
⚙️

C (GCC 13)

Full syntax + tutorials

Syntax Highlighting
🔧

C++ (G++ 13)

Classes, STL, OOP

Syntax Highlighting

Java 21

OOP, collections

Syntax Highlighting
// Challenges
Test Your Skills
From easy warm-ups to hard algorithmic challenges — auto-graded with XP rewards.
🟢

Easy Challenges

Fibonacci, Reverse String, Prime Checker — perfect for beginners.

🟡

Medium Challenges

Anagram Checker, Word Count, Stack Implementation — intermediate level.

🔴

Hard Challenges

Binary Search, Flatten Nested List — algorithmic thinking required.

⭐ 0 XP
14
main.py
Console
⌨️ Input
📜 History
»CodeProfessor v2.0 — Loading Python 3.11...

AI Assistant

Assistant
Hi! I'm powered by Claude AI. Run your code and I'll analyze errors, give smart hints, and explain concepts. Click Hint anytime!
● Ready
🐍 Python 3.11
Ln 1, Col 1
F5 Run · Ctrl+/ Comment · Ctrl+S Save
Loading Python 3.11...