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JavaScript Formatter
JavaScript FormatterReady
Indent
Input JavaScript Code
0 lines · 0 B
Raw input remains untouched until you click Format
Formatted JavaScript OutputEditable
0 lines · 0 B
Ready to copy (⌘⇧C) or download (⌘S)

JavaScript Formatter & Beautifier

Format, beautify, and indent JavaScript and TypeScript code online with customizable indentation and syntax highlighting in your browser.

Indents blocks & functions
Preserves string literals
Instant live beautification
Copy & Download
Step-by-Step Guide

How to Use JavaScript Formatter Online

Follow these quick steps to process your data online directly in your browser with zero latency and 100% privacy.

1
Step 1Parses JavaScript source tokens while preserving string literals and comments.
2
Step 2Applies clean 2-space indentation to curly braces and statements.
Demonstration

Example Input & Output

Applies nested indentation to JavaScript blocks, objects, and function closures.

Input JavaScript Code
function calculateTotal(items){return items.reduce((acc,curr)=>{return acc+curr.price;},0);}
Formatted JavaScript Output
function calculateTotal(items) {
  return items.reduce((acc, curr) => {
    return acc + curr.price;
  }, 0);
}
Applications

Common Use Cases

De-obfuscating & Debugging Scripts

Read compacted JavaScript code snippets in clean structure.

Knowledge

Frequently Asked Questions

How do I format JavaScript online?

Paste your JS script into the input box; beautified code is rendered instantly.

Workflow

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