ToolBox

JavaScript Formatter

Format JavaScript code with consistent style.

function greet(name){if(name){console.log("Hello, "+name+"!")}else{console.log("Hello!")}}
Your file never leaves this browser tab — everything runs locally on your device.

How to use javascript formatter

  1. Paste your JavaScript into the editor.
  2. Click "Format JavaScript".
  3. Copy or download the consistently formatted result.

Common use cases

  • Making minified or bundled JavaScript readable for debugging.
  • Cleaning up code snippets before pasting them into documentation.
  • Standardizing style on a piece of code before review.

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Frequently asked questions