Free online code formatter and beautifier tool. Format code with proper indentation, spacing, and structure across 20+ programming languages including JavaScript, Python, Java, C++, HTML, CSS, and more.
Discover our collection of free online tools for developers, designers, and power users
Formatted code will appear here...
Our advanced code formatter provides comprehensive formatting capabilities with intelligent indentation, spacing, and structure optimization across multiple programming languages for professional development workflows.
Our formatter supports a comprehensive range of programming languages, from popular web technologies to enterprise development languages.
Our formatter uses advanced parsing algorithms to intelligently format and beautify code while maintaining language-specific syntax rules.
Choose from 20+ supported programming languages. Our tool automatically detects syntax rules and formatting conventions.
Advanced algorithms parse your code, understand structure, and apply language-specific formatting rules and best practices.
Get beautifully formatted code with proper indentation, spacing, and structure optimized for readability and maintainability.
Discover how our code formatter can help you in various development scenarios with real examples.
function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
}
const numbers = [1,2,3,4,5];
const doubled = numbers.map(n => n * 2);
console.log(doubled);function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n - 1) + fibonacci(n - 2);
}
const numbers = [1, 2, 3, 4, 5];
const doubled = numbers.map(n => n * 2);
console.log(doubled);def fibonacci(n): if n <= 1: return n return fibonacci(n - 1) + fibonacci(n - 2) numbers = [1, 2, 3, 4, 5] doubled = [n * 2 for n in numbers] print(doubled)
def fibonacci(n):
if n <= 1:
return n
return fibonacci(n - 1) + fibonacci(n - 2)
numbers = [1, 2, 3, 4, 5]
doubled = [n * 2 for n in numbers]
print(doubled)Explore how our tool integrates into modern development workflows and improves code quality.
Format code before submitting for review to ensure consistent style and readability
Maintain consistent coding standards across team members and projects
Format code examples in documentation for better readability and understanding
Improve code readability with proper indentation, spacing, and structure
Make code easier to maintain and modify with consistent formatting
Easier debugging with clear code structure and visual organization
Get answers to common questions about code formatting and our tool's capabilities.
Our formatter supports 20+ programming languages including JavaScript, TypeScript, Python, Java, C++, C#, PHP, Ruby, Go, Rust, Swift, Kotlin, HTML, CSS, SQL, JSON, XML, YAML, Markdown, and more.
Yes! You can customize indentation size (2, 4, or 8 spaces), choose between spaces and tabs, control trailing whitespace, and set final newline preferences to match your coding standards.
Our intelligent parser analyzes code syntax and structure to automatically detect the programming language. You can also manually select the language for optimal formatting results.
Absolutely! All processing is done locally in your browser. No code is transmitted to our servers or stored anywhere. Your code remains completely private and secure.
Explore our collection of development and code processing tools to enhance your workflow.
Format and validate JSON data with syntax highlighting and error detection.
Convert CSV data to JSON format with delimiter detection and header handling.
Minify JavaScript, CSS, and HTML code to reduce file sizes and improve performance.
Test regular expressions with real-time matching, highlighting, and explanation.
Compare and highlight differences between two pieces of text with side-by-side view.