JSON to CSV Converter

Convert JSON arrays to CSV files online for free. Flatten nested objects and download as spreadsheet.

Options

Delimiter

Include header rowFlatten nested objects (dot notation)

CSV Output

3 rows · 6 cols

id,name,email,age,address.city,address.country
1,Alice Johnson,alice@example.com,28,New York,USA
2,Bob Smith,bob@example.com,34,London,UK
3,Carol White,carol@example.com,22,Tokyo,Japan

このツールについて

Convert JSON arrays to CSV format. Automatically extracts column headers from object keys, flattens nested objects, and generates clean CSV output ready for Excel or Google Sheets.

使い方

Paste JSON
Paste a JSON array of objects.
Configure
Set delimiter and choose whether to flatten nested objects.
Convert & Download
Copy the CSV or download as a .csv file.

活用シーン

Spreadsheet Export

Export API responses and JSON datasets to CSV for Excel or Google Sheets.

よくある質問

What JSON structure is supported?

An array of objects at the root level. Nested objects can optionally be flattened using dot notation.

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Base64 Encode / DecodeWeb Tools

このツールについて

使い方

Paste JSON

Configure

Convert & Download

活用シーン

Spreadsheet Export

よくある質問

What JSON structure is supported?

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