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CSV to JSON Converter

Convert CSV data to JSON format instantly. Parses headers as keys, handles quoted fields and commas within values.

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The CSV to JSON Converter transforms comma-separated value (CSV) data into a JSON array of objects. The first row is used as column headers, and each subsequent row becomes a JSON object with those headers as property names.

This tool correctly handles CSV edge cases including quoted fields, commas within quoted values, escaped quotation marks, and empty fields. The output is formatted with 2-space indentation for easy reading. Use it for data migration between systems, importing spreadsheet data into applications, or converting between data formats.

All conversion happens in your browser — your data never leaves your device. This is especially important for CSV files containing personal, financial, or other sensitive data.

How to Use CSV to JSON Converter

  1. 1Paste your CSV data into the input area. The first row should be headers.
  2. 2The JSON output is generated instantly.
  3. 3Each CSV row becomes a JSON object with header names as keys.
  4. 4Copy the JSON output using the Copy button.

Frequently Asked Questions

How does CSV to JSON conversion work?▾
The first row of the CSV is treated as column headers. Each subsequent row becomes a JSON object where the keys are the header names and the values are the corresponding cell values from that row. The result is a JSON array of these objects.
Does it handle commas inside quoted fields?▾
Yes. Fields enclosed in double quotes can contain commas without breaking the parsing. For example, the field "Smith, John" is correctly parsed as a single value.
What about empty cells?▾
Empty cells in the CSV are converted to empty strings in the JSON output. Missing values at the end of a row are also treated as empty strings.
Can I convert JSON back to CSV?▾
Yes! Use the JSON to CSV Converter tool to convert JSON arrays of objects back to CSV format.