Does it support ES6+ syntax?

Yes, arrow functions, destructuring, template literals, and other modern JavaScript syntax are supported.

Are variable names shortened when minifying?

By default, Terser may shorten local variable names. Global variable names are preserved.

Can it handle TypeScript?

The beautify function handles TypeScript to a degree, but full support is not guaranteed. A TypeScript-specific tool is recommended.

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JavaScript Beautify & Minify

Reformat messy JavaScript with consistent indentation, or compress it by shortening variable names and removing whitespace. Beautify uses js-beautify; minification uses Terser for high-quality output. Results can be copied instantly.

How to Use

① Paste your JavaScript into the input field. ② Click 'Beautify' or 'Minify'. ③ The result appears below. ④ Click 'Copy' to save to your clipboard.

When to Use

• Reformatting library source code for debugging • Minimizing JavaScript before production deployment to reduce bundle size • Standardizing indentation before a code review • Improving readability of a code snippet

Frequently Asked Questions

Q. Does it support ES6+ syntax?: A. Yes, arrow functions, destructuring, template literals, and other modern JavaScript syntax are supported.
Q. Are variable names shortened when minifying?: A. By default, Terser may shorten local variable names. Global variable names are preserved.
Q. Can it handle TypeScript?: A. The beautify function handles TypeScript to a degree, but full support is not guaranteed. A TypeScript-specific tool is recommended.