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Developer ToolsFree online tool
Convert an array of JSON objects into a downloadable CSV file for spreadsheet use.
Paste or enter the data you want to process, then run the tool.
Use the controls above, check the result, then copy or download it when available.
No. CSV is tabular, so the input needs to represent records that can be mapped to columns.
Use this tool whenever you need: Turning simple API data or structured records into a format that spreadsheets can open. It offers a fast, client-side workflow without sign-ups, installation or complex software.
Yes. All processing executes locally in your browser using client-side JavaScript. Your inputs, files and calculations remain private and are never uploaded to our servers.
Check nested objects and arrays because CSV is a flat format and cannot preserve every JSON structure directly. Important note: Complex nested JSON requires a flattening decision; the converter is designed for object arrays.
Convert JSON to CSV
Turn an array of JSON objects into a spreadsheet-ready CSV file.
1 · Input
Use an array of objects. Fields become CSV columns.
Nested objects and arrays are kept as JSON inside their CSV cell.
2 · Result
Copy it or download a UTF-8 CSV file.
Ready to convert?
Up to 5,000 JSON rows are supported. Conversion happens in your browser.
Only JSON arrays of objects can be converted. Columns follow the order in which unique fields first appear. Values beginning with spreadsheet formula characters are prefixed with an apostrophe for safer spreadsheet use.