Developer Tools
JavaScript Formatter
Beautify JavaScript source with a reliable formatter. Your code is treated as text and is never executed in the browser.
How to Format JavaScript
Step 1
Paste Your JavaScript
Paste or type the content you want to process.
Step 2
Format Your JavaScript
Run the action or review the live result.
Step 3
Copy or Download the Result
Copy or download when you are ready.
JavaScript Formatter Features
- Modern syntax support where available
- Source-only formatting
- No code execution
- Copy and download JS
- Helpful parse errors
Supported Formats
Input formats
- JavaScript
Output formats
- JavaScript
Supported formats
- JavaScript
Frequently Asked Questions
Is my JavaScript executed?
Never. This tool only formats source text.
What if parsing fails?
A clear error is shown and no formatted output is claimed.
Can I minify afterward?
Yes. Use the JavaScript Minifier.
Private?
Yes.
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