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JSON to CSV
JSON to CSV Converter
Convert a JSON array of objects to CSV format. Download or copy the result.
JSON Input (array of objects)
Convert to CSV
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Frequently Asked Questions
What JSON format is expected?
The input should be a JSON array of flat objects, like [{"name":"Alice","age":30},{"name":"Bob","age":25}].
How are headers determined?
Headers are extracted from all unique keys across all objects in the array, ensuring no column is missed.
Does it handle nested objects?
Nested objects and arrays are serialized as JSON strings in the CSV cell. For best results, use flat objects.
Are values with commas handled correctly?
Yes. Values containing commas, quotes, or newlines are automatically wrapped in double quotes per CSV standards.
Is my data sent to a server?
No. All conversion happens in your browser using JavaScript. Your data never leaves your device.
Can I download the CSV file?
Yes. Use the download button to save the CSV output as a .csv file to your device.