Free Online CSV to JSON Converter

Free online CSV to JSON Converter. Runs locally in your browser with zero uploads for privacy and speed.

DelimiterFirst row as headerSkip empty lines

It supports both click-to-upload and drag-and-drop upload of CSV files. Dragging and dropping can directly replace the current CSV content.

CSV Input

Detected delimiter: ,

JSON Output

[
  {
    "name": "Alice",
    "age": "18"
  },
  {
    "name": "Bob",
    "age": "20"
  }
]