Herramientas para DesarrolladoresEssential

Formatear y Validar JSON Online

Beautify cluttered JSON into clean, readable indentations, validate syntax, fix trailing commas, or compress into a minified single line.

Processed locally. Sensitive JSON payloads and API responses are never transmitted over the network.
Valid JSON Syntax
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Cómo Usar Formateador JSON

1

Paste JSON

Paste raw JSON text into the editor or upload a .json file.

2

Choose Action

Click Format (2 or 4 spaces) or Minify.

3

Copy or Download

Copy the formatted JSON with one click or download the formatted file.

Acerca de Formateador JSON

Uses recursive AST parsing with `JSON.parse()` and customizable `JSON.stringify(data, null, indent)` replacers.

Formatos Compatibles

JSONJSONCText

Características Principales

  • 2-space and 4-space indentation formats
  • One-click JSON minification for bandwidth savings
  • Real-time syntax validation with line/column error diagnostics
  • Sort object keys alphabetically

Preguntas Frecuentes

Yes, because execution happens entirely within your browser runtime without network calls.

Lecturas Recomendadas

Formateador JSON Online – Validar, Embellecer y Minificar JSON | Toolxilla