JavaScript Formatter & Validator

Developer Tool Featured

Format, validate, minify, and beautify JavaScript code instantly. Perfect for web developers, Node.js developers, and JavaScript engineers.

Formatting Options

JavaScript Input

0 characters

Formatted Output

Enter JavaScript and click "Format JavaScript" to see results

Code Execution

Execution output will appear here

JavaScript Best Practices

  • Use const and let instead of var
  • Always use strict equality (===)
  • Handle errors with try-catch
  • Use meaningful variable names

Common Uses

  • Cleaning up messy JavaScript code
  • Preparing JS for production minification
  • Debugging JavaScript syntax errors
  • Learning JavaScript formatting

Features

  • Real-time JavaScript validation
  • Syntax error highlighting
  • Safe code execution
  • Multiple formatting options