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Formatador e Validador de JSON Online

Format, validate and minify JSON code easily. Identify syntax errors and make your JSON more readable for development and debugging.

JSON Formatter

šŸ’” Tips:
ā€¢ Format: Adds indentation and line breaks for better readability
ā€¢ Minify: Removes spaces and line breaks to reduce size
ā€¢ Validate: Checks if the JSON is syntactically correct

šŸ“– Common shortcuts:
ā€¢ Objects: { "key": "value" }
ā€¢ Arrays: [ "item1", "item2" ]
ā€¢ Numbers: { "age": 25 }
ā€¢ Booleans: { "active": true }

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data interchange format. It is easy for humans to read and write, and easy for machines to parse and generate. It is widely used in REST APIs, configuration files and data storage.

Tool Features

āœØ FormataĆ§Ć£o

Indentation of 2 or 4 spaces for better readability

āœ… ValidaĆ§Ć£o

Detecta erros de sintaxe com mensagens claras

šŸ—œļø MinificaĆ§Ć£o

Remove espaƧos para reduzir tamanho do arquivo

Por que Formatar JSON?

Quando Minificar?

MinificaĆ§Ć£o remove espaƧos em branco e quebras de linha, reduzindo o tamanho do arquivo:

Erros Comuns de JSON

āŒ Trailing Comma: {"name": "JoĆ£o", "age": 30,}

JSON doesn't allow a comma after the last item

āŒ Aspas Simples: {'name': 'JoĆ£o'}

Use sempre aspas duplas para chaves e strings

āŒ ComentĆ”rios: {"name": "JoĆ£o" // comentĆ”rio}

JSON puro nĆ£o suporta comentĆ”rios

Formatting Example

Antes (Minificado):

{"name":"JoĆ£o","age":30,"city":"SĆ£o Paulo"}

Depois (Formatado):

{
  "name": "JoĆ£o",
  "age": 30,
  "city": "SĆ£o Paulo"
}

šŸ’” Developer Tip: Use formatted JSON during development and minified in production. Many build tools do this automatically!