7 min read
2026-02-01
Readable code is the foundation of productive development. JS Beautifier turns minified or poorly formatted code into structured and understandable code.
Adds correct indentation
Places line breaks
Aligns curly braces
Formats call chains
Expands one-line constructions
###Format settings
| Parameter | Options |
|---|---|
| Indentation | Spaces (2/4) or tabs |
| Parentheses | On the same line / on a new |
| Quotes | Single/Double |
| Semicolons | Add / remove |
Paste minified or raw JS code
Choose a formatting style
Click "Beautify"
Copy the result
To maintain a consistent style, use Prettier or ESLint with auto-formatting when saving the file.
See also: JSON Formatter, HTML Formatter, CSS Minifier