Free Online Code Formatter

Format and beautify code in multiple languages. Support for JavaScript, TypeScri...

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Input Code
Formatted Code
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Formatter Features

7 Languages - JavaScript, TypeScript, HTML, CSS, JSON, SQL, and XML
Custom Indentation - Choose between 2 spaces or 4 spaces for indentation
One-Click Copy - Copy formatted code to clipboard with a single click
Sample Code - Load sample code for each language to test the formatter
Instant Results - Formatting happens instantly with no server round-trip
Privacy First - All processing happens locally in your browser

Why Use Free Online Code Formatter?

Multi-Language Support

Format code in 7 different languages with language-specific rules and syntax awareness.

100% Private

All formatting happens in your browser. Your code never leaves your device.

Customizable Output

Choose your indent style to match your project's coding standards - 2 spaces or 4 spaces.

Instant Formatting

Format code instantly with no server processing. Works offline once the page is loaded.

Handles Minified Code

Take minified, compressed, or poorly formatted code and restore it to a readable format.

Completely Free

No hidden fees, no subscriptions. Format unlimited code for free with no usage limits.

Common Uses for Code Formatter

Debugging

Format minified or obfuscated code to make it readable for debugging purposes.

Code Reviews

Ensure consistent formatting before submitting pull requests and code reviews.

Documentation

Format code snippets for documentation, tutorials, and blog posts.

Learning

Understand code structure better by viewing properly formatted and indented code.

How It Works

1

Select Your Language

Choose the programming language of your code from the dropdown menu. Options include JavaScript, TypeScript, HTML, CSS, JSON, SQL, and XML.

2

Choose Indentation

Select your preferred indentation style - 2 spaces or 4 spaces. The formatter will apply this consistently throughout your code.

3

Format and Copy

Click Format Code to beautify your code. Review the formatted output in the right panel and click Copy to save it to your clipboard.

Tips & Best Practices

Format Before Committing

Run your code through the formatter before committing to version control for consistent, clean diffs.

Use JSON Mode for APIs

When working with API responses, use JSON mode to validate and format the response data.

Check Language Selection

Make sure to select the correct language before formatting - using the wrong language may produce unexpected results.

Frequently Asked Questions

Code Formatter is a universal code beautifier that formats and indents code for better readability. It supports multiple programming languages including JavaScript, TypeScript, HTML, CSS, JSON, SQL, and XML. The tool parses your code and applies consistent formatting rules including proper indentation, line breaks, and spacing.
Our Code Formatter supports JavaScript, TypeScript, HTML, CSS, JSON, SQL, and XML. Each language has specific formatting rules tailored to its syntax. JSON formatting is always valid JSON, while other languages use intelligent parsing to determine proper structure.
Yes! You can choose your preferred indentation style: 2 spaces or 4 spaces. The formatter will apply your chosen style consistently throughout your code. Different projects may have different style requirements, so flexibility is key.
No, formatting only changes whitespace, indentation, and line breaks. The actual code logic, syntax, and functionality remain exactly the same. Formatted code will behave identically to the original.
Yes, absolutely. All formatting happens directly in your web browser using client-side JavaScript. Your code is never uploaded to our servers or any third-party services. This makes our tool safe to use with proprietary code, API keys, or sensitive business logic.
Yes! The Code Formatter can take minified, compressed, or poorly formatted code and restore it to a readable format. This is especially useful when you need to debug third-party scripts or understand obfuscated code.
Best practice is to format code before committing. Consistent formatting makes code reviews easier and keeps diffs clean. Many teams use formatters as part of their CI/CD pipeline or pre-commit hooks to ensure consistent formatting across all contributions.
Yes! The formatter works with any code regardless of frameworks or libraries used. It handles React components, Vue files, Angular templates, Node.js modules, and any other JavaScript or TypeScript code. The formatter respects JSX syntax and TypeScript types.

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