What CSV formats are supported?

Comma, semicolon, or tab-separated values with optional header row.

How are headers handled?

If 'First row is header' is checked, the first row becomes object keys.

JSON array of objects (with headers) or 2D array (without headers).

Convert CSV data to JSON array

CSV Input

Delimiter

First row is header

JSON Output

Enter or paste your CSV data in the input editor.

Select delimiter and whether first row contains headers.

Click Convert to transform CSV to JSON.

Copy the JSON for use in your application.

Convert spreadsheet exports to JSON for database import.

Transform CSV data into JSON for REST API requests.

Convert tabular config data to JSON format.

Prepare CSV data for JavaScript/Python processing.