Convert JSON arrays to CSV format instantly. Auto-generates headers, flattens nested objects, and handles quoted values.
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Quick answers to common questions
Paste your JSON array, click copy, and download or paste the CSV output. The tool auto-generates headers from object keys.
Yes. Nested objects are flattened using dot notation (e.g. address.city).
No. Conversion happens entirely in your browser.
An array of objects works best: [{"col1":"val1","col2":"val2"}, ...]. A single object is also supported.
Your data is processed entirely in your browser. Nothing is sent to any server.