JavaScript Formatter and Minifier
Pretty-print or minify JavaScript in one panel—switch modes on the same input.
- Browser-based
- No signup
Developer
Private: processed on your device
Format messy or minified JavaScript into readable code. Choose 2-space, 4-space, or tab indentation. This page beautifies only—use JS Minifier to compress or JavaScript Formatter and Minifier for both operations.
Formatting only—does not minify, validate beyond the formatter, or obfuscate. Use JavaScript Formatter and Minifier to switch between format and minify.
Paste JavaScript into the input editor. Formatted output updates as you type. Use Minify to compress when ready, then copy the beautified code for review, debugging, or documentation.
Example: `const x={a:1,b:2};function sum(a,b){return a+b}` becomes a multi-line script with indented object properties and a readable function body.
Opens the JavaScript Formatter in format mode. Expands minified or messy scripts into readable indentation with consistent braces and line breaks. Choose 2-space, 4-space, or tab indentation.
Formatting only—does not minify, validate beyond the formatter, or obfuscate. Use JavaScript Formatter and Minifier to switch between format and minify.
Your data is processed in your browser and is not uploaded to our server.
No. JS Beautifier formats code for readability only. Use JS Minifier to compress or JavaScript Formatter and Minifier to switch between both.
Yes. Paste minified JavaScript and copy the expanded output with consistent indentation.
No. Beautifying runs locally in your browser.
Pretty-print or minify JavaScript in one panel—switch modes on the same input.
Compress JavaScript—strip comments and whitespace with byte savings shown.
Format or minify HTML markup in your browser.
Format, minify, and validate JSON with optional key sorting.
Pretty-print or minify CSS in one panel—switch Format and Minify anytime.
Beautify SQL queries with readable indentation.
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