CSV to JSON Converter

Convert CSV to JSON and JSON to CSV online for free. This tool handles quoted fields, custom delimiters (comma, semicolon, tab, pipe), and automatic header detection. It parses CSV data into clean JSON arrays of objects or nested arrays, and can reverse-convert JSON back to CSV format.

Ctrl/Cmd + Enter to convert
JSON output will appear here

How to Use This Tool

  1. Select conversion mode: 'CSV to JSON' or 'JSON to CSV' using the tabs at the top.
  2. Choose your delimiter (comma, semicolon, tab, or pipe) and whether the first row contains headers.
  3. Paste your data into the input area and click Convert, or press Ctrl/Cmd+Enter.
  4. Copy the result using the Copy button next to the output.

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