Online JS Formatter & Minifier
JS BeautifyJS MinifyJavaScriptFormatter
Beautify and minify JavaScript instantly with 2-space indent and local processing. Format messy JS and compress to single line.
All processing is done locally, no upload
How to Use
- Paste any valid JSON, supports nesting, arrays and escapes
- Click Beautify to auto indent and format
- Click Minify to remove whitespace into one line
- All operations run locally for privacy
Related Tools
FAQ
What does JS beautify do?
Rebuilds readable structure with 2-space indent and line breaks.
How to minify JS?
Click Minify to remove whitespace into a single line.
Does it validate syntax?
Basic syntax check via Function constructor; errors shown inline.
Will my data be uploaded?
No, all processing runs locally.