JSON to CSV Converter
Convert JSON arrays to CSV format. Flatten nested objects with dot notation and download as CSV file.
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Frequently Asked Questions
What JSON format is supported?▾
The input must be a JSON array of objects, like [{...}, {...}, ...]. Each object becomes a row in the CSV.
How are nested objects handled?▾
Nested objects are flattened using dot notation. For example, {"address": {"city": "NYC"}} becomes a column "address.city" with value "NYC".
Can I download the CSV file?▾
Yes, click the "Download CSV" button to download the output as a .csv file.
Is my data secure?▾
Yes, all processing runs in your browser. No data is sent to any server.