JSON to CSV / CSV to JSON Converter

Switch directions, paste your data, and convert it instantly without sending anything to a server.

Tools
Mode

Converted CSV will appear here

Tips

  • JSON to CSV accepts an array of objects, a single object, or an array of arrays and builds a CSV table from it.
  • CSV to JSON uses the first row as column headers and returns an array of objects.
  • Quoted CSV values, escaped quotes, commas inside cells, and multi-line cells are supported.
  • Nested JSON objects and arrays are stringified into individual CSV cells so you do not lose data.

Why convert between JSON and CSV?

JSON is the default shape for APIs, automation workflows, and application exports, while CSV remains the fastest format for spreadsheets, bulk imports, and quick data review. Moving between both formats is common when engineering work meets reporting or operations.

This converter runs entirely in the browser. That means you can cleanly reshape small datasets, API payloads, or spreadsheet exports without uploading internal data to a third-party service.

Common use cases

  • Prepare API data for spreadsheets - convert JSON arrays into a CSV your team can open in Excel, Numbers, or Google Sheets.
  • Import CSV exports into code - turn rows from a spreadsheet or admin export into JSON objects ready for scripts and fixtures.
  • Inspect tabular data quickly - switch formats when one representation is easier to scan, diff, or validate than the other.
  • Move data between tools - bridge product ops, no-code workflows, and developer tooling without writing a custom script every time.