Input JavaScript
Beautified Output
Original Lines
0
Beautified Lines
0
Processing Time
0 ms
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Easy to Read
Neat and clean code is easy to read. Proper spaces and lines help you and others understand it quickly.
Team Friendly
Using the same style helps your team work together easily. Everyone can follow the same format.
Easy to Fix Errors
Clear code makes finding mistakes simple. It saves time when fixing bugs.
Same Code Style
Keep all your projects in the same style. It makes your code neat and easy to follow.
JavaScript Beautifier Tool | Format & Optimize Your JS Code
Use our JavaScript Beautifier Tool to clean up and format your JavaScript code instantly. Make your code easier to read, maintain, and share — all directly in your browser.
How the JavaScript Beautifier Tool Works
Step 1: Input Your Code
You can add your JavaScript code in two ways:
- Type or paste code directly into the input box
- Upload a JavaScript file from your computer
Step 2: Choose Formatting Options
Customize how your code will look:
- Indentation: Use spaces or tabs (2–8 spaces)
- Brace Style: Decide where curly braces should be placed
- Line Length: Set maximum line length before wrapping
- Spacing: Control spaces around brackets and operators
Quick presets are also available:
- Standard: Default JavaScript style
- Allman Style: Braces on new lines
- Compact: Less spacing for smaller files
Step 3: Beautify Your Code
Click the "Beautify JavaScript" button. The tool will:
- Automatically clean up your code
- Add proper indentation and spacing
- Fix formatting while keeping your code functional
- Display the formatted result instantly
Step 4: Retrieve Your Formatted Code
After beautification, you can:
- Copy the formatted code to your clipboard
- Download it as a new JavaScript file
- Clear the input and start formatting again
Behind the Scenes
- Processing in Your Browser: Your code never leaves your computer
- No Data Stored: We do not save or upload any code
- Fast Performance: Works efficiently even with large files
- Safe & Secure: Your code stays private
Who Should Use This Tool
- Developers cleaning up messy code
- Students learning proper JavaScript formatting
- Teams enforcing consistent code style
- Anyone preparing code for sharing, review, or publication
Benefits of Using the JavaScript Beautifier
- Readable Code: Easier to understand and maintain
- Time Saver: No need for manual formatting
- Team Friendly: Everyone uses the same style
- Free & Accessible: No registration or cost required
Quick Tips for Best Results
- Start with the Standard preset for most projects
- Use Compact style for production or minified code
- Try Allman style if you prefer braces on separate lines
- Save your settings if you format code frequently