CSV to JSON

Transform CSV files into structured JSON arrays directly in your browser. Ideal for APIs, frontend applications and data pipelines.

Examples

Upload a CSV file or paste raw CSV content to generate JSON output.

CSV Input

Example
id,name,country
1,John,USA
2,Anna,Germany

JSON Output

Result
[
  {
    "id": 1,
    "name": "John",
    "country": "USA"
  },
  {
    "id": 2,
    "name": "Anna",
    "country": "Germany"
  }
]

Available options

Header row detection

Automatically use the first CSV row as JSON object keys.

Custom delimiters

Parse CSV using commas, semicolons, tabs or custom separators.

Type inference

Convert numeric and boolean values automatically.

Limitations

Things to keep in mind

  • Malformed CSV rows may generate invalid JSON structures.

  • Missing headers can affect key generation.

  • Very large CSV files may reduce browser performance.