What JSON input format is supported?

Array of objects is the standard format. Single objects are also supported and produce a two-row CSV.

How are nested objects handled?

Nested properties are flattened with dot notation (e.g. 'user.address.city').

Yes — comma, semicolon, tab, or pipe.

Yes. Use the paste tab for quick one-off conversions without creating a file.

Nested arrays are stringified (JSON-encoded) as a single CSV cell value.

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