JavaScript Formatter

Format and minify JavaScript code. Validate JS syntax.

Local Processing
Files are not uploaded to any server. All operations are performed in your browser.

How to Use

  1. 1

    Paste your JavaScript code into the input area.

  2. 2

    Select action: Format or Minify.

  3. 3

    Choose indentation preference.

  4. 4

    Click 'Process' to see the result.

  5. 5

    Copy the formatted or minified JavaScript.

Use Cases

Code Debugging

Format messy JavaScript for easier reading and debugging.

Production Optimization

Minify JavaScript for production deployment to reduce file size.

Syntax Validation

Check JavaScript syntax and find errors.

FAQ

What does prettify do?
Prettify adds proper indentation to JavaScript, making it easier to read.
How does validation work?
Validation checks if JavaScript is syntactically correct using the browser's parser.