JavaScript Formatter
Format and beautify JavaScript code with proper indentation and structure.
Frequently Asked Questions
What does the JavaScript Formatter do?
The JavaScript Formatter format and beautify javascript code with proper indentation and structure. It helps developers maintain consistent code style and improves readability across projects.
How do I format JavaScript code?
Paste your JavaScript or upload a .js file and the tool processes it instantly, displaying the result in the editor ready to copy back into your project.
Does the tool support modern JavaScript syntax?
Yes. The tool supports ES2022+ syntax including arrow functions, async/await, optional chaining, nullish coalescing, and class fields. It also handles JSX and partial TypeScript syntax.
Is my JavaScript code sent to a server?
No. All processing happens locally in your browser. Your source code — which may contain business logic or API credentials — is never transmitted to any external server.
Is the JavaScript Formatter free?
Yes, completely free with no limits or account required. Use it as often as you need for any project.