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JSON to CSV Converter
Convert JSON objects into CSV rows locally, including nested object flattening.
Local processing. JSON text is parsed and converted locally in this browser tab. It is not sent to a server.
Use an object or an array of objects. Nested objects are flattened with dot keys.
CSV ready
2 records converted into 3 columns.
How to use JSON to CSV
- 1Paste a JSON object or an array of objects.
- 2Review flattened column headers.
- 3Check the generated CSV output.
- 4Copy or download the CSV file.
Frequently asked questions
Does JSON to CSV upload my data?
No. JSON parsing and CSV generation happen locally in your browser.
What JSON shape works best?
Use an object or an array of objects. Arrays inside fields are kept as JSON strings.
How are nested objects handled?
Nested object keys are flattened with dot notation such as customer.name.
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