Code Formatter

Format and beautify HTML, CSS, JavaScript, and JSON code

Free to use

Developer

Language:

Indent:

Input

Output

Formatted code will appear here

Supported languages: HTML, CSS, JavaScript, JSON

Privacy: All formatting happens locally in your browser. No code is sent to servers.

Tip: Use auto-detect if you're unsure of the language, or select manually for best results.

About Code Formatter

Code Formatter is a lightweight, browser-based tool designed to beautify and standardize your HTML, CSS, JavaScript, and JSON code instantly. Whether you are cleaning up minified code, organizing messy markup, or ensuring consistent formatting across your project, this tool handles it all without leaving your browser.

Perfect for developers, designers, and anyone working with code, Code Formatter improves readability, catches syntax issues, and maintains professional code standards. All processing happens locally on your device, ensuring your code never leaves your computer-complete privacy and security with zero server uploads.

Local only

Privacy-safe

4 languages

Supported formats

Instant

No processing delays

Zero uploads

Browser-based

How to use Code Formatter

Paste your code

Copy and paste your HTML, CSS, JavaScript, or JSON code into the input field.

Configure options

Select your desired indentation style, language type, and choose between expanding or minifying.

Download or copy

View your beautifully formatted code and copy it to clipboard or download as a file.

Pro Tips

Use the minify option to compress production code and reduce bandwidth usage before deployment.
Set your indentation preference in settings once-it will persist across future formatting sessions.
Paste minified code to instantly expand it into readable format for easier debugging and maintenance.
Copy formatted code directly to clipboard for instant use in your editor without downloading files.