JavaScript Beautifier Online
Instantly format and beautify your JavaScript code for free.
Paste JavaScript here
Beautified JavaScript:
What is a JavaScript Beautifier?
A JavaScript beautifier reformats your minified, messy, or unformatted JavaScript code by adding proper indentation, line breaks, and spacing, making it easier to read, debug, and maintain.
How to Use the JavaScript Beautifier
- Paste or type your JavaScript code into the input box above.
- Click the Beautify button.
- Your formatted JavaScript will appear below in the output box.
- Click Copy Output to copy the beautified code to your clipboard.
About This Online JavaScript Beautifier
This JavaScript beautifier runs entirely in your browser without uploading your code anywhere, ensuring full privacy and security. It is fast, reliable, and perfect for developers, students, and anyone working with JavaScript code.
Frequently Asked Questions
Does this tool store or send my JavaScript code anywhere?
No. All formatting happens locally in your browser, and your code is never uploaded or stored.
Is the tool free to use?
Yes! The JavaScript beautifier is 100% free without any registration or ads.
Can it handle very large JavaScript files?
For most common use cases and files, formatting is instant. Extremely large files may slow down your browser.
Do I need any software or plugins?
No. Just open this page in your web browser and start beautifying.