Free Online JSX Code Editor.

Edit JSX Code with Syntax Highlighter and AutoCompletion. Copy after you are done. No Installations necessary.

  1. 100% Free
  2. Edit Code Offline
  3. Syntax Highlighter
  4. Autocompletion
  5. Auto-Indentation
  6. Undo/Redo
  7. Copy code
  8. Resizable to full screen
  9. Privacy-focused. No code uploaded.
import React, { useState } from 'react'; function QnA() { const [question, setQuestion] = useState(''); const [answer, setAnswer] = useState(''); const handleQuestionChange = (event) => { setQuestion(; }; const handleSubmit = (event) => { event.preventDefault(); if (question.toLowerCase() === 'what is this web app?') { setAnswer( <div> <p>This web app is a code editor with a syntax highlighter, autocompletion, and many more features!</p> <p>It allows you to write, and run edit code directly in the browser, without needing to install any software.</p> <p>The syntax highlighter makes your code look beautiful, and the autocompletion feature helps you write code faster and more accurately.</p> <p>Plus, it has many other features like the ability to undo/redo, copy or export code, work offline etc!</p> </div> ); } else { setAnswer(<p>Well, what are you waiting for, start editing your code right now.</p>); } }; return ( <div> <h1>Welcome to the QnA program!</h1> <form onSubmit={handleSubmit}> <label> Ask me a question: <input type="text" value={question} onChange={handleQuestionChange} /> </label> <button type="submit">Ask</button> </form> <div>{answer}</div> </div> ); } export default QnA;