JSON to CSV Converter

The converter accepts JSON arrays of objects - the most common format for tabular data. Single objects are also converted to a single-row CSV. Nested objects are serialized as JSON strings within cells.

Values containing commas, double quotes, or newlines are automatically wrapped in double quotes and any internal quotes are escaped by doubling them, producing valid CSV output compatible with Excel, Google Sheets, and most CSV parsers.

Nested objects are flattened using dot notation as column headers. For example, {user: {name: 'John'}} becomes a column 'user.name' with value 'John'. Arrays of objects are expanded into multiple rows. Deeply nested structures may produce many columns.

The converter uses comma as the default delimiter following the CSV standard. For tab-separated (TSV) or other delimiters, you can use a find-and-replace after conversion or use a dedicated conversion tool with delimiter options.

Yes. Nested objects and arrays within your JSON are serialized to their string representation (using JSON.stringify) in the output CSV cells. For deeply nested structures, consider flattening first.