Paste your JavaScript below to beautify or minify it in one click. Supports ES2022+ syntax and outputs clean, readable code.
A JavaScript formatter (also called a JS beautifier) is a tool that takes minified or unformatted JavaScript code and rewrites it with proper indentation, spacing and line breaks to make it easy to read.
Paste your JavaScript into the left panel and click Format. The tool instantly beautifies it with configurable indentation (2 or 4 spaces). Everything runs in your browser — no data is sent to any server.
Minification removes comments, extra whitespace and unnecessary characters from JavaScript to reduce file size for faster page loads.
Yes, completely free. The JS formatter and minifier run entirely in your browser with no signup and no data sent to any server.
Yes. Paste any minified JS (single long line) and click Format to get readable code with proper indentation.