JSON to CSV Converter
Convert JSON arrays to clean CSV output in seconds. Auto-detect headers, handle nested data, and copy or download the result — all processed locally in your browser.
Open JSON to CSV ConverterFeatures
Auto Headers
Column headers detected automatically from JSON keys.
Download CSV
Copy to clipboard or download as a .csv file.
Instant Conversion
Convert thousands of rows in milliseconds.
100% Private
Your data stays in your browser. Nothing uploaded.
Frequently Asked Questions
What JSON format works best for CSV conversion?
An array of flat objects works best, e.g., [{"name":"Alice","age":30},{"name":"Bob","age":25}]. Each object becomes a row, and each key becomes a column header. Nested objects are serialized as JSON strings within cells.
Can I open the CSV in Excel or Google Sheets?
Yes! Copy the output and save it as a .csv file, then open in Excel or Google Sheets. Or paste directly into Google Sheets via Edit → Paste special → Paste as CSV.
How are nested objects and arrays handled?
Nested objects and arrays are converted to their JSON string representation within the CSV cell. This preserves all your data while maintaining valid CSV format.
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