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JSON to CSV Converter

Upload a JSON file or paste JSON data and convert it to CSV. All processing happens in your browser.

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JSON files up to 10MB

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Upload a file or paste JSON data to see the preview
About this JSON to CSV tool

This free JSON to CSV converter runs entirely in your browser. It supports arrays of objects, a single object (one row), and 2D arrays. You can export CSV or TSV by choosing comma, semicolon, or Tab ( \t ) as the delimiter. Headers come from the union of keys across all objects, and values are safely quoted so commas, tabs, and newlines import cleanly into spreadsheets.

  • Fast, private, and offline-friendly—your data never leaves the device.
  • Ready for Excel, Google Sheets, databases, and BI tools.
  • Related tools: CSV to JSON · JSON Formatter

Usage Tips

  • 1

    Provide valid JSON (array of objects recommended for proper columns).

  • 2

    Choose the delimiter you want in the CSV output (comma, tab, semicolon, or custom).

  • 3

    Nested JSON will be stringified; flattening options may come later.

  • 4

    All processing happens in your browser — your data is never uploaded.