How do I convert CSV to JSON?

Paste your CSV data in the left panel (first row is treated as headers). The JSON array output appears instantly. Click 'Copy Output' to copy or 'Load Example' to see a sample.

CSV (Comma-Separated Values) is a plain-text format where each line is a record and commas separate fields. It is widely used for spreadsheet data, database exports, and data interchange.

Is the CSV to JSON converter free?

Yes, completely free. The conversion runs entirely in your browser — no data is sent to any server, and no signup is required.

CSV to JSON Converter

Convert CSV to JSON array instantly online. Free CSV to JSON converter with header detection, type inference, and pretty-print output.

CSV Input

JSON Output

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How to Use the CSV to JSON Converter

Paste or type your CSV data in the left panel.
The first row is automatically used as header keys.
JSON array output appears automatically as you type.
Click "Copy Output" to copy the JSON to your clipboard.
Use "Load Example" to see a sample CSV dataset.

CSV Format Tips

The first row must contain column headers.
Numbers and booleans are automatically detected.
Values with commas should be wrapped in double quotes.
Empty rows are automatically skipped.