Data Converter
JSON to CSV Converter
Convert JSON arrays or objects into CSV locally in your browser. Flatten nested fields, choose delimiters, include headers, copy output, and download spreadsheet-ready CSV.
Detailed guide
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Read the JSON to CSV Converter guideFrequently asked questions
Does this JSON to CSV converter upload my data?
No. JSON parsing and CSV generation run locally in your browser.
Can this converter flatten nested JSON?
Yes. Enable nested flattening to output keys such as user.name or address.city.
What JSON shapes work best?
Arrays of objects work best for CSV. A single object is converted as one row.