CSV ↔ JSON

Bidirectional CSV / JSON conversion (RFC 4180, auto-detect delimiter)

CSV → JSON

JSON → CSV

Delimiter

First row is header

CSV input

Detected delimiter: ","

Output

[
  {
    "name": "Alice",
    "age": "30",
    "city": "Seoul"
  },
  {
    "name": "Bob",
    "age": "25",
    "city": "Tokyo"
  },
  {
    "name": "Carol, M.",
    "age": "28",
    "city": "New York"
  }
]

Verify outputs before using in production. No warranty — see Terms.