Format and beautify your code online.
Readable code is maintainable code. This free online code beautifier formats and indents JavaScript, CSS, HTML, and JSON with a single click. Choose from multiple indentation styles (2-space, 4-space, tab) and instantly transform minified or poorly formatted code into clean, readable output. The tool uses the industry-standard js-beautify library for reliable, consistent results across all supported languages.
Paste your code into the input area, select the language type and indentation style, then click "Beautify". The formatted code appears instantly with syntax highlighting in the output panel.
The tool supports JavaScript, CSS, HTML, and JSON formatting. Each language uses a dedicated parser for accurate results.
Yes, you can choose between 2-space, 4-space, and Tab indentation for the formatted output.
The formatter attempts to handle minor formatting issues, but it cannot fix fundamental syntax errors. Use the JSON Validator for error detection.