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✨ Code Beautifier
★★★★½ 4.7 (428 ratings)
🔒 Client-side — Your data never leaves your browser ✅ 100% Free — No signup, no limits ⚡ Instant — No server processing

📋 How to Use

  1. Select Language — Choose the programming language from the dropdown menu (JavaScript/HTML/CSS/JSON/XML/SQL/Python).
  2. Paste Code — Paste the code you want to beautify into the input box, or write code directly in the input area.
  3. Beautify and Copy — Click the beautify button and the formatted code will appear in the output box. Copy or download the result with one click.

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Multi-Language Code Formatter · JavaScript / HTML / CSS / JSON / XML / SQL / Python

❓ FAQ

What programming languages does the Code Beautifier support?

This tool supports code formatting and beautification for 7 common programming languages: JavaScript, HTML, CSS, JSON, XML, SQL, and Python. Each language has targeted formatting rules to ensure output follows common style conventions.

What is the difference between code beautification and minification?

Code beautification (Beautify) reformats compressed or messy code by adding indentation and line breaks, making it easy to read and maintain. Code minification (Minify) does the opposite — removing spaces, line breaks, and comments to reduce file size. They are inverse operations.

Is my code safe?

Absolutely safe. All formatting operations are performed locally in your browser. Your code is never uploaded to any server. Your source code always stays on your device, making it suitable for processing configuration files and source code with sensitive information.

How do I use the Code Beautifier?

Select the programming language, paste your code into the input box, and click the beautify button to get formatted code. You can also adjust the indent size and type (spaces/Tab). One-click copy and download are supported.

❓ Frequently Asked Questions

Is ✨ Code Beautifier free to use?

Yes, ✨ Code Beautifier is completely free to use. No registration or login required — all features are available immediately.

Do I need to install any software?

No. ✨ Code Beautifier is a web-based tool — just open it in your browser and start using it. No downloads, plugins, or extensions required.

Are there any usage limits for ✨ Code Beautifier?

✨ Code Beautifier has no usage limits — it's free and unlimited. Since processing is done client-side, speed depends on your device. For very large files, we recommend processing in batches for the best experience.

Can I use ✨ Code Beautifier on my phone?

Yes. ✨ Code Beautifier is fully responsive and works on phones, tablets, and desktops. The interface adapts automatically to your screen size.

Does ✨ Code Beautifier upload my data to a server?

No. ✨ Code Beautifier uses client-side processing — everything runs in your browser. Your data never leaves your device, and the tool works even without an internet connection.

', css: 'body{margin:0;padding:0;font-family:sans-serif;}.container{max-width:1200px;margin:0 auto;padding:20px;}.header{background:#333;color:#fff;padding:10px 20px;}.header h1{font-size:24px;margin:0;}', json: '{"name":"John Doe","age":30,"address":{"city":"New York","street":"5th Avenue"},"hobbies":["reading","coding","travel"],"active":true}', xml: 'JavaScriptJohn29.99PythonJane39.99', sql: 'SELECT u.id,u.name,u.email,o.order_id,o.total FROM users u LEFT JOIN orders o ON u.id=o.user_id WHERE u.active=1 AND o.total>100 ORDER BY o.total DESC LIMIT 10', python: 'def fibonacci(n):\n if n<=1:\n return n\n a,b=0,1\n for i in range(2,n+1):\n a,b=b,a+b\n return b\nresult=fibonacci(10)\nprint(result)' }; window.loadSample = function(){ const lang = langSelect.value; inputCode.value = samples[lang] || samples.javascript; updateStats(inputCode.value, null); }; const feedbackScript = document.createElement('script'); feedbackScript.src = '/tools-site/feedback.js'; feedbackScript.defer = true; document.head.appendChild(feedbackScript); })();