JavaScript Formatter
Format, minify, and uglify JavaScript code. Optimize scripts for production or improve readability for development.
Minify or format JavaScript code instantly. Optimize scripts for production or make them readable for development.
✓
Format and beautify JavaScript code
✓
Minify JavaScript for production
✓
Basic uglification with variable renaming
✓
Remove comments and unnecessary whitespace
✓
Preserve JavaScript functionality
✓
No registration required
✓
Completely free
✓
Works in your browser
How to Use
- Paste your JavaScript code into the input box
- Click Format JS to beautify and structure your code
- Click Minify JS to remove unnecessary whitespace for production
- Click Uglify JS to rename variables and optimize for smallest size
- Copy the formatted, minified, or uglified result for your project
Frequently Asked Questions
What does this JavaScript formatter do?
It formats, minifies, and uglifies JavaScript code for better readability or production optimization.
Will minifying break my JavaScript code?
No, minification only removes whitespace and comments while preserving all JavaScript functionality.
What is the difference between minify and uglify?
Minify removes whitespace and comments. Uglify also renames variables to shorter names for maximum compression.
Is my JavaScript code sent to a server?
No, all processing happens in your browser. Your code never leaves your device.