JavaScript Beautifier

Yes! This tool uses Prettier under the hood, which fully supports all modern JavaScript features including Arrow Functions, Async/Await, Destructuring, and Modules.

Use the "Indentation" dropdown in the settings panel to choose between 2 Spaces, 4 Spaces, or Tabs.

No. This tool uses the standalone Prettier library directly within your web browser. Your code never leaves your device, ensuring complete privacy.

No. A beautifier is designed to format valid code. If your code contains severe syntax errors, the formatter will halt and display an error message indicating the line number.

Yes, you can toggle the quote style in the settings panel, allowing you to enforce single quotes or double quotes consistently throughout your code.

Minified code has all whitespace, line breaks, and comments removed to reduce file size for faster loading. Beautified code adds these back in to make the code human-readable for debugging.

Yes! Because the underlying formatting engine is robust, it can cleanly format TypeScript syntax alongside standard JavaScript.

No. Code execution logic remains completely unchanged. Beautifiers only modify whitespace, indentation, and stylistic elements like quotes or semicolons.

While this tool can handle JS objects, we recommend using our dedicated JSON Formatter tool for pure JSON data to ensure strict JSON syntax compliance.

Depending on your configuration, the formatting engine can enforce the presence of semicolons at the end of statements to adhere to strict coding standards.