JSON to CSV Converter

Convert JSON arrays and nested objects to CSV — instantly in your browser

🔒 Your data never leaves your browser

JSON Input

Features

  • Automatic flattening of nested objects using dot notation (e.g. address.city)
  • Array expansion with index notation (e.g. tags[0], tags[1])
  • Single objects are wrapped in an array automatically
  • RFC 4180 compliant CSV output with proper quoting

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