Code Formatter

Format code in various programming languages

About Code Formatter

Our free code formatter tool helps developers format code in multiple programming languages instantly. Properly formatted code is easier to read, maintain, and debug. Whether you're working with JavaScript, Python, Java, C++, or any other supported language, our formatter ensures your code follows best practices and style conventions.

What is Code Formatting?

Code formatting is the process of organizing and styling source code to improve readability and maintainability. This includes proper indentation, spacing, line breaks, and alignment. Well-formatted code is easier to understand, review, and maintain, which is essential for collaborative development and long-term project success.

Different programming languages have different formatting conventions and style guides. Our formatter applies language-specific formatting rules to ensure your code looks professional and follows industry standards.

Key Features

💻 Multi-Language

Support for JavaScript, Python, Java, C++, PHP, Ruby, Go, SQL, HTML, and CSS.

🔍 Auto-Detect

Automatically detect the programming language or manually select it.

✨ Beautify Code

Format minified or messy code into readable, properly indented code.

🔒 Privacy First

All processing happens in your browser. No code is sent to servers.

Supported Languages

  • JavaScript: Format JS code with proper indentation and spacing
  • Python: Format Python code following PEP 8 style guidelines
  • Java: Format Java code with proper brace placement and indentation
  • C++: Format C++ code with consistent styling
  • C#: Format C# code following Microsoft conventions
  • PHP: Format PHP code with proper indentation
  • Ruby: Format Ruby code following style conventions
  • Go: Format Go code using gofmt-style formatting
  • SQL: Format SQL queries for better readability
  • HTML: Format HTML markup with proper indentation
  • CSS: Format CSS stylesheets with consistent spacing

Common Use Cases

  • Code Review: Format code before submitting for review to make changes easier to understand.
  • Minified Code: Format minified or compressed code to make it readable again.
  • Legacy Code: Format old or poorly formatted code to improve maintainability.
  • Documentation: Format code examples in documentation for better presentation.
  • Learning: Format code samples when learning new programming languages.
  • Production Code: Ensure code follows style guidelines before deployment.

How to Use

  1. Select Language: Choose your programming language from the dropdown or use "Auto Detect".
  2. Paste Code: Copy and paste your code into the input field.
  3. Format: Click "Format" to beautify your code with proper indentation and styling.
  4. Copy: Click "Copy" to copy the formatted code to your clipboard.
  5. Use: Paste the formatted code into your editor or documentation.

Examples

  • JavaScript: function test(){return true;} → Formatted with proper spacing and indentation
  • Python: def hello():print("world") → Formatted with proper PEP 8 style
  • Java: public class Test{public void method(){}} → Formatted with proper brace placement
  • Minified Code: Format compressed code to make it readable again.

Frequently Asked Questions

How do I format code online?

Select your programming language (or use auto-detect), paste your code into the input field, and click 'Format'. The tool will automatically format your code with proper indentation, spacing, and styling according to language-specific conventions.

Which programming languages are supported?

Our code formatter supports JavaScript, Python, Java, C++, C#, PHP, Ruby, Go, SQL, HTML, and CSS. You can also use auto-detect to automatically identify the language.

Can I format minified code?

Yes! Our code formatter can format minified or compressed code, making it readable again. Simply paste the minified code and click format.

Is this code formatter free?

Yes, our code formatter is 100% free forever. No ads, no login required, and all processing happens in your browser for complete privacy and security.

Does formatting change code functionality?

No, code formatting only changes the visual appearance and structure of your code. It doesn't modify the logic or functionality. The formatted code will behave exactly the same as the original.