What JSON formats are supported?

The tool works best with an array of objects where each object has the same properties. Nested objects are flattened into dot-notation columns.

How are nested objects handled?

Nested properties are flattened using dot notation. For example, {user: {name: 'John'}} becomes a column named 'user.name'.

What happens to arrays in JSON?

Array values are converted to comma-separated strings within a single CSV cell. For complex arrays, you may need to preprocess the JSON.

Can I open the CSV in Excel?

Yes, the generated CSV uses standard formatting with UTF-8 encoding and is fully compatible with Excel, Google Sheets, and other spreadsheet applications.

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JSON to CSV Converter

Convert JSON data to CSV format instantly. Transform JSON arrays and objects into spreadsheet-ready CSV files. Free online tool.

JSON Input (array of objects)

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About This Tool

Frequently Asked Questions

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