How do I convert JSON to CSV?

Flatten nested objects into dot-notation column headers, use array keys as columns, and output each object as a row. The JSON-CSV Converter does this automatically — paste JSON and download CSV.

How do I convert CSV to JSON?

Treat the first row as headers and each subsequent row as an object. The JSON-CSV Converter handles quoting, escaping, and type inference automatically.

How do I handle nested JSON in CSV?

Nested objects are typically flattened with dot notation (user.name, user.email). Arrays can be joined with a delimiter or expanded into multiple rows depending on your use case.

How to Convert JSON to CSV (and CSV to JSON)

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