JavaScript Beautifier
JS → JS
Format and beautify your minified or messy JavaScript code instantly. Features a full screen editor and customizable indentation options.
About this tool
About JavaScript Beautifier
JavaScript Beautifier is a free, browser-based tool that lets you format and beautify your minified or messy JavaScript code instantly. Features a full screen editor and customizable indentation options. It supports JS → JS. Everything runs locally on your device, so your files are never uploaded to a server. There's no sign-up, no watermark, and no limit — just open JavaScript Beautifier, add your input, and get results instantly.
How to use JavaScript Beautifier
1
Paste JavaScript
Paste your minified or messy JS code into the input pane.
2
Configure Rules
Choose your indent size and line wrap length.
3
Copy Result
Click the format button and copy the beautifully structured output.
Key features
Instant Beautification
Paste your messy or minified JS and instantly get properly indented, readable code.
Custom Formatting
Choose your preferred indentation size and line wrapping limits.
Local Processing
Your code never leaves your computer. The formatting runs entirely client-side.
100% Private
JavaScript Beautifier processes your data locally in the browser. Nothing is uploaded, tracked, or stored u2014 your files never leave your device.
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