JSON to CSV Converter

Convert JSON arrays to CSV format instantly

When to Use JSON to CSV

CSV (Comma-Separated Values) is the universal format for spreadsheets and data analysis tools. Convert JSON API responses to CSV for Excel, Google Sheets, or pandas DataFrames.

How It Works

Paste a JSON array of objects. The converter extracts all unique keys as column headers and maps each object to a CSV row. Nested objects are serialized as JSON strings.

API Access

Use our REST API: POST /api/transform/json-to-csv with {"json_input": "[...]"}. Free for 100 calls/day.

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