React Beautifier & Formatter

This React beautifier and formatter converts compact or inconsistent JSX into consistent readable code that is easy to review and maintain. The tool runs entirely in your browser so no installation or server upload is required. Paste JSX, upload a file, or type directly in the editor, choose formatting options, then format, copy, or download the result.

Key features

  • Fast React formatter to beautify JSX directly in the browser
  • Support for JavaScript React files and plain JSX syntax
  • Configurable tab size or spaces to match project style
  • Control quote style trailing commas and semicolon preference
  • Options for wrapping JSX attributes and bracket placement for clearer diffs
  • Free and private because formatting runs locally in your browser

How to use this React beautifier and formatter

  1. Paste minified or messy React code into the left editor or upload a .jsx file
  2. Pick language mode set line length and tab size and choose quote and semicolon preferences
  3. Click Beautify React to run the formatter and preview the result instantly
  4. Copy or download the formatted JSX for commits or code review

Example 1: Minified JSX vs Beautified JSX

Minified React Code

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import React from"react";const Card=({title,items=[]})=>(<div className="card"><h3>{title}</h3><ul>{items.map((it,i)=><li key={i}>{it}</li>)}</ul></div>);export default Card;

Beautified React Code

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import React from 'react';
const Card = ({ title, items = [] }) => (
  <div className="card">
    <h3>{title}</h3>
    <ul>
      {items.map((it, i) => (
        <li key={i}>{it}</li>
      ))}
    </ul>
  </div>
);
export default Card;

Example 2: Minified JSX with hooks and handlers vs Beautified JSX

Minified JSX

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import React,{useState}from"react";export default function Counter(){const[count,setCount]=useState(0);return<div><span>{count}</span><button onClick={()=>setCount(c=>c+1)}>Inc</button></div>}

Formatted JSX

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import React, { useState } from 'react';
export default function Counter() {
  const [count, setCount] = useState(0);
  return (
    <div>
      <span>{count}</span>
      <button onClick={() => setCount((c) => c + 1)}>Inc</button>
    </div>
  );
}

Customization options

Below are the settings you can adjust to get the exact JSX output you want after formatting.

Option Default Description
Line Length 120 Wrap lines and JSX props at this character limit
Tab Size 2 Spaces used per indentation level for nested JSX and JavaScript
Use Tabs False When enabled indent using actual tab characters instead of spaces
Semicolons False Toggle to add semicolons at the end of statements to match project style
Single Quotes False When enabled use single quotes for strings and JSX attributes where valid
Trailing Commas ES5 Control trailing comma behavior in arrays objects and function parameters
Bracket Spacing False Add spaces between object literal brackets for visual clarity
Arrow Parens Always Require parentheses around single parameter arrow functions or omit them
Line Ending Auto Choose end of line style such as LF CRLF CR or let the formatter detect automatically

Why use this React beautifier and formatter

Consistent JSX formatting makes components easier to scan and debug which shortens review cycles and reduces churn in pull requests. When teams share a single style for JSX, it is simpler to onboard contributors and to keep diffs focused on logic.

Use this React formatter to normalize props layout handlers and component structure and to prepare code for review or integration. The JSX tool is fast and supports common React patterns and it integrates easily into editor workflows or CI pipelines.

Best practices and workflow

  • Agree on line length tab size and quote style to prevent unnecessary diffs
  • Run the React formatter in pre commit hooks so code remains consistent at commit time
  • Combine formatting with ESLint to catch issues early
  • Use attribute per line for complex components to improve readability and reduce merge conflicts
  • Keep components small and focused to simplify formatting and testing

Conclusion

Use this React beautifier and formatter to make JSX clearer and easier to maintain. It runs in the browser with no setup and offers flexible options so you can produce formatted JSX that matches team or personal preferences.