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What is JS Beautify/Minify?
JS Beautify/Minify is a free online JavaScript formatter that transforms messy, minified, or inconsistently styled JS code into clean, readable code — or compresses it for production. It handles modern ES6+ syntax, JSX, and TypeScript-like constructs without breaking your code. All processing runs locally in your browser for maximum privacy.
How to use JS Beautify/Minify
1
Paste your JavaScript code into the editor
2
Choose Beautify for readable output or Minify for compressed production code
3
Adjust indentation size (2, 4, or tab) to match your project style
4
Copy the result or download as a .js file
Common use cases
- Reformatting minified third-party libraries for debugging
- Standardizing code style across a team project
- Reducing bundle size by minifying before deployment
- Making code review easier with consistent formatting
Frequently Asked Questions
Can this format JavaScript with JSX?
Yes — the formatter handles JSX syntax correctly, preserving React component structure while applying consistent indentation.
Does minifying affect my code logic?
No. Minification only removes whitespace and shortens variable names where safe — your code behaves identically.
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