What if rows have different fields?

JSON-to-CSV will use the union of all object keys as headers; missing fields become empty strings.

Does it handle multiline cells?

Yes — quoted CSV cells can contain newlines and are preserved correctly.

CSV ↔ JSON

Convert tabular data between CSV and JSON. Header row detection, custom delimiter, quoted-field-with-comma support.

CSV → JSON JSON → CSV Delimiter First row is header

Input

Output

How to use CSV ↔ JSON

Choose direction.
Paste your data.
Pick delimiter and (for CSV) whether the first row is header.
Copy.

What is CSV ↔ JSON?

The classic bridge between flat tabular data and structured JSON. CSV becomes an array of objects (one per row, keyed by header). JSON arrays of objects become CSV with column headers. The parser handles quoted fields containing commas, escaped quotes, and CRLF line endings.

FAQ

What if rows have different fields?: JSON-to-CSV will use the union of all object keys as headers; missing fields become empty strings.
Does it handle multiline cells?: Yes — quoted CSV cells can contain newlines and are preserved correctly.

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