JavaScript Code Editor - Run JS Locally in Browser

Local-only JavaScript editor with instant execution. Write, test, and share JavaScript code snippets that run entirely in your browser. No server upload, complete privacy.

Features

Execute JavaScript code locally in your browser
Real-time output in integrated terminal
Complete privacy - no code uploaded to servers
Save and share code snippets with shareable URLs
Monaco editor with syntax highlighting

console.log("Hello World!");
console.log("Current time:", new Date().toISOString());

function greet(name) {
    return `Hello ${name}!`;
}

console.log(greet("developer"));