JSON to CSV
Flatten a JSON array of objects into CSV rows.
CSV Output
Turning JSON Records into a Spreadsheet
Give this tool a JSON array of objects and it produces CSV with a header row built from the union of all keys, so rows with missing fields are handled gracefully. Values containing commas, quotes, or line breaks are automatically quoted and escaped per RFC 4180, and nested objects/arrays are embedded as JSON. The resulting CSV opens cleanly in Excel, Google Sheets, or any data pipeline — all generated locally.
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