Code Beautifier
Format and beautify HTML, CSS, JavaScript, and more
Input Code
🔒All processing happens in your browser - your code never leaves your device!
How to Use Code Beautifier
Format code in 4 simple steps
Select Code Language
Choose between HTML, CSS, or JavaScript tabs. Each language has optimized formatting rules for best results.
Paste Your Code
Enter or paste your code into the input area. Supports minified, unformatted, or messy code of any length.
Choose Format Options
Select indentation size (2 or 4 spaces) and choose beautify or minify mode. Preview sample code to test settings.
Download Formatted Code
Copy formatted code to clipboard or download as .html, .css, or .js file. Ready to paste into your code editor.
Why Use Code Beautifier
Professional code formatting made easy
Three Languages in One
Format HTML, CSS, and JavaScript code all in one tool. Switch between languages instantly without changing tools.
Beautify and Minify
Both beautify for readability and minify for production. Beautify adds proper indentation, minify removes whitespace for smaller files.
Smart Formatting
Industry-standard js-beautify library provides professional formatting. Consistent style matching popular code standards.
Completely Free
Format unlimited code without any cost. No file size limits, no watermarks, no premium features.
Privacy Protected
All formatting happens in your browser using client-side processing. Your code never leaves your device or gets uploaded.
Developer Optimized
Perfect for cleaning up minified libraries, formatting team code, or preparing code for version control.
Common Use Cases for Code Beautifier
See how others use this tool
Minified Library Debugging
Beautify minified JavaScript libraries to understand code and debug issues. Make third-party code readable for troubleshooting.
Code Review Preparation
Format code consistently before submitting for review. Ensure code follows team standards and style guides.
Legacy Code Cleanup
Reformat old, inconsistent code to modern standards. Improve readability of inherited codebases.
HTML Email Templates
Format inline HTML and CSS for email templates. Make complex email markup easier to maintain and edit.
Production Optimization
Minify CSS and JavaScript before deployment. Reduce file sizes for faster page load times and better performance.
Learning and Teaching
Format example code for tutorials and documentation. Help students understand code structure with proper indentation.
Frequently Asked Questions
Yes! Our code beautifier is completely free with no limitations. Format unlimited HTML, CSS, and JavaScript code without any cost.
We support HTML, CSS, and JavaScript. Each language has specialized formatting rules optimized for that language's syntax and conventions.
No, all formatting happens directly in your browser using the js-beautify library. Your code never leaves your device, ensuring complete privacy.
Yes! Choose between 2-space or 4-space indentation to match your project's coding standards or personal preferences.
Beautify adds proper indentation, line breaks, and spacing for readability. Minify removes all unnecessary whitespace and line breaks to create smaller files for production.
Yes! The beautifier can handle code files of any size. Format entire libraries, frameworks, or complex applications without issues.
No, the beautifier only formats valid code. If your code has syntax errors, you'll need to fix those first. Use a linter or validator for error detection.
Yes! We use the industry-standard js-beautify library which provides consistent, professional formatting following common JavaScript, CSS, and HTML style guides.
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