Code Formatter
Format and beautify JSON, JavaScript, CSS, and HTML code. Make minified or messy code readable with one click. Supports 4 languages.
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How to Use This Tool
- Select the language of your code: JSON, JavaScript, CSS, or HTML.
- Paste your code into the input area.
- Click Format to beautify and indent the code.
- Copy the formatted result to your clipboard.
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Frequently Asked Questions
Which languages does this support?
JSON, JavaScript, CSS, and HTML. JSON uses native parsing for perfect formatting. JS, CSS, and HTML use regex-based beautifiers for fast results.
Does this validate my code?
JSON mode validates syntax and shows errors. JS, CSS, and HTML modes format the code but don't validate syntax.
Is my code sent to a server?
No. All formatting happens in your browser. Your code never leaves your device.