Re-indent JavaScript code based on braces and statement boundaries, while safely preserving strings and comments.
How to Use the JavaScript Formatter
Paste your JavaScript code into the box.
Click "Format".
Review the re-indented code and click "Copy to Clipboard".
Frequently Asked Questions
It re-indents your code based on braces and statement boundaries (semicolons), adding consistent line breaks and indentation while carefully skipping over the contents of strings, template literals, and comments so it doesn't break their content.
No, this is a lightweight, dependency-free formatter for quick tidy-ups based on braces and semicolons. It doesn't fully parse the JavaScript grammar, so unusual syntax (like regex literals containing slashes) may occasionally format imperfectly.
No, it only reformats whitespace and indentation — it doesn't validate that your JavaScript is syntactically correct.
Yes, it's completely free and requires no sign-up.