JavaScript Formatter — Free Online Tool

Beautify and format JavaScript code with proper indentation and structure for better readability. JavaScript Formatter is a free online tool from the ToolsRift JavaScript Tools collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.

Loading JavaScript Formatter…

How to use JavaScript Formatter

  1. Open the JavaScript Formatter above — it loads instantly, no account needed.
  2. Enter or upload your input. Everything is processed locally on your device.
  3. Get your result immediately and copy or download it with one click.

Frequently asked questions

How does the JavaScript formatter work?

The formatter parses your JavaScript and rebuilds it with proper indentation, line breaks, and consistent spacing. You can choose between 2-space or 4-space indentation.

Does it support ES6+ syntax?

Yes, the formatter handles modern JavaScript including arrow functions, template literals, destructuring, async/await, and other ES6+ features.

Will formatting change code behavior?

No, formatting only affects whitespace and code structure. The functionality and output of your code remain identical after formatting.

More JavaScript Tools

JavaScript Minifier
Minify JavaScript by removing whitespace, comments, and shortening variable names to reduce file size
JavaScript Validator
Validate JavaScript syntax and find errors with detailed line numbers and error messages
JSON to JS Object
Convert JSON data to JavaScript object literal syntax with proper formatting and structure
JS Object to JSON
Convert JavaScript object literals to valid JSON format with proper escaping and structure
Console.log Remover
Strip console.log, warn, error, info and debug statements from JavaScript without touching strings, comments or regex
JS Comment Remover
Remove line and block comments from JavaScript while preserving URLs and comment syntax inside strings, with optional JSDoc keep

← View all JavaScript Tools