Private Python, JavaScript and PHP Playground

Run Python, JavaScript, PHP, and SQL privately in your browser. Code stays in your browser and never leaves your device.

Language

Python Editor

# Functions
def greet(name):
    return f"Hello, {name}!"

print(greet("Python Developer"))

# Try some Python features
numbers = [1, 2, 3, 4, 5]
squared = [x**2 for x in numbers]
print("Squared numbers:", squared)

Output:

Output will appear here...

Supported Languages

Run code online in the most popular programming languages:

Python - Perfect for data science, automation, and web development
JavaScript - Client-side scripting and modern web development
PHP - Server-side web development
SQL - Database queries with SQLite

Features

Write and execute code directly in your browser
No installation or setup required
Instant feedback and output
Share code using time-sensitive links and optional password protection
An AI assistant that explains how the code works, making it easier to learn and understand
An AI code review assistant that reviews your code for bugs, readability, and potential improvements
Support for multiple programming languages
Clean and intuitive interface
Perfect for learning, testing, and quick experiments

How to Use

Select your preferred programming language from the dropdown menu
Write or paste your code in the editor
Click the “Run Code” button
View the output in the results panel

Why Use an Online Code Runner?

Online code runners are perfect for:

Learning - Practice programming without setting up a development environment
Learning with AI - Get clear explanations of how the code works
Testing - Quickly test code snippets and algorithms
Sharing - Send expiring, password-protected links to others
Prototyping - Rapidly experiment with ideas
Interviews - Perfect for coding interviews and assessments

Getting Started

No account or registration required. Choose your language and start coding! Each language has its own dedicated page with examples and documentation.