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CSV to JSON
Convert CSV into JSON in your browser.
CSV input Paste CSV to convert it into JSON. Extra columns beyond the header are dropped; missing ones become null.
First row is header
Infer types (numbers, booleans, null)

JSON output

[
    {
        "id": 1,
        "name": "Ada Lovelace",
        "active": true,
        "note": null
    },
    {
        "id": 2,
        "name": "Alan Turing, OBE",
        "active": true,
        "note": "Codebreaker"
    },
    {
        "id": 3,
        "name": "Grace Hopper",
        "active": false,
        "note": null
    }
]
Rows
3
Columns
4