Formateador JavaScript - Embellecedor de Código

Volver a Herramientas
Formatea y embellece código JavaScript con indentación y espaciado apropiados. Esencial para revisión de código, depuración de scripts minificados y mantenimiento de bases de código legibles. Soporta sintaxis ES6+.
Formateador JavaScript Avanzado y Embellecedor de Código

Herramienta profesional formateo código JavaScript para desarrolladores y revisores código. Transforma código minificado en JavaScript limpio y legible.

Parsing código inteligente con formateo basado AST Estilos indentación personalizables Soporte sintaxis ES6+/TypeScript con compatibilidad JSX Automatic code structure analysis and optimization Configurable formatting rules and coding standards Batch processing for entire codebases and projects
Practical Examples
Debugging Librería Minificada

Transformar JavaScript minificado en código legible

BEFORE (Minified JavaScript) 
function a(e){return e*2}
AFTER (Beautified JavaScript) 
function multiply(number) {\n    return number * 2;\n}
React Component Formatting

Format React components with proper JSX indentation and structure

BEFORE (Minified JavaScript) 
const TodoApp=()=>{const[todos,setTodos]=useState([]);const[inputValue,setInputValue]=useState("");const addTodo=()=>{if(inputValue.trim()){setTodos([...todos,{id:Date.now(),text:inputValue,completed:false}]);setInputValue("");}};const toggleTodo=(id)=>{setTodos(todos.map(todo=>todo.id===id?{...todo,completed:!todo.completed}:todo));};const deleteTodo=(id)=>{setTodos(todos.filter(todo=>todo.id!==id));};return(<div className="todo-app"><input value={inputValue}onChange={(e)=>setInputValue(e.target.value)}onKeyPress={(e)=>e.key==="Enter"&&addTodo()}placeholder="Add a todo..."/><button onClick={addTodo}>Add</button><ul>{todos.map(todo=><li key={todo.id}className={todo.completed?"completed":""}><span onClick={()=>toggleTodo(todo.id)}>{todo.text}</span><button onClick={()=>deleteTodo(todo.id)}>Delete</button></li>)}</ul></div>);};
AFTER (Beautified JavaScript) 
const TodoApp = () => {
    const [todos, setTodos] = useState([]);
    const [inputValue, setInputValue] = useState("");
    
    const addTodo = () => {
        if (inputValue.trim()) {
            setTodos([
                ...todos,
                {
                    id: Date.now(),
                    text: inputValue,
                    completed: false
                }
            ]);
            setInputValue("");
        }
    };
    
    const toggleTodo = (id) => {
        setTodos(
            todos.map(todo =>
                todo.id === id
                    ? { ...todo, completed: !todo.completed }
                    : todo
            )
        );
    };
    
    const deleteTodo = (id) => {
        setTodos(todos.filter(todo => todo.id !== id));
    };
    
    return (
        <div className="todo-app">
            <input
                value={inputValue}
                onChange={(e) => setInputValue(e.target.value)}
                onKeyPress={(e) => e.key === "Enter" && addTodo()}
                placeholder="Add a todo..."
            />
            <button onClick={addTodo}>Add</button>
            <ul>
                {todos.map(todo => (
                    <li
                        key={todo.id}
                        className={todo.completed ? "completed" : ""}
                    >
                        <span onClick={() => toggleTodo(todo.id)}>
                            {todo.text}
                        </span>
                        <button onClick={() => deleteTodo(todo.id)}>
                            Delete
                        </button>
                    </li>
                ))}
            </ul>
        </div>
    );
};
Technical Features
  • Parsing basado AST para formateo seguro
  • Indentación configurable
  • Colocación inteligente llaves y alineación
  • Automatic semicolon insertion and removal
  • JSX/TSX formatting with proper attribute alignment
  • Comment preservation with intelligent repositioning
Professional Use Cases
Code Review & Collaboration
Standardize code formatting across team members
Legacy Code Maintenance
Improve readability of inherited or third-party code
Debugging Production Issues
Format minified code for easier troubleshooting
Documentation & Training
Create clean code examples for tutorials and guides
Code Quality Assurance
Ensure consistent formatting standards in projects
IDE Integration
Enhance development workflow with automated formatting
Best Practices
  • Establecer reglas formateo consistentes en equipo desarrollo
  • Integrar con ESLint y Prettier para calidad automatizada
  • Usar format-on-save en IDE
  • Create configuration files for project-specific formatting standards
  • Format code before code reviews to focus on logic rather than style
  • Document your formatting conventions in project README files
Troubleshooting Guide
Parsing Errors
Check for syntax errors in the original code before formatting
Formatting Inconsistencies
Verify indentation settings and bracket placement rules
Large File Performance
Process very large files in smaller chunks or use streaming
JSX/React Issues
Ensure JSX mode is enabled for React component formatting
ES6+ Compatibility
Update parser settings to support latest JavaScript features