Format and beautify JSON. Pretty print with indentation. Validate and fix JSON syntax.
Using single quotes in JSON (valid in JavaScript but not in JSON)
JSON requires double quotes for all strings and keys. Use: {"key": "value"} not {'key': 'value'}
Including trailing commas after the last item in arrays or objects
JSON does not allow trailing commas. Remove the comma after the last element: [1, 2, 3] not [1, 2, 3,]
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