JSON ↔ CSV Converter

Converts a JSON array of objects to CSV/XLSX, or a CSV/XLSX file into a JSON array — for moving data between Stratum-style exports and spreadsheet tools.

JSON → CSV/XLSX
CSV/XLSX → JSON

1 · JSON input

Paste a JSON array of objects, or upload a .json file below. Nested objects/arrays are flattened to JSON strings in their cell.

Or click to upload a .json file
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About this tool

Converts a JSON array of objects to CSV/XLSX, or a CSV/XLSX file into JSON, in either direction.