JavaScript Formatter & Minifier
Format and minify JavaScript locally in your browser. Nothing is uploaded.
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About JavaScript Formatter & Minifier
JavaScript Formatter & Minifier formats raw JavaScript and TypeScript code for readability or compresses scripts into lightweight bundles.
How to use JavaScript Formatter & Minifier
- Paste your JavaScript or TypeScript source code into the editor.
- Select Beautify to apply consistent indentation, or Minify to compress.
- Set indentation preferences (2 spaces, 4 spaces, or tabs).
- Click Format JavaScript to process the script and inspect the output.
Examples
Input: function test(a,b){return a+b;} Formatted: function test(a, b) { return a + b; }
FAQ
Does formatting JavaScript execute or evaluate the script?
No. Script content is parsed as source code text and reformatted without code execution.
Does the minifier rename variables or mangle function signatures?
Basic minification strips unnecessary whitespace and comments while keeping identifier names intact for safe execution.