JSON ↔ CSV Converter

Convert between JSON arrays and CSV files. Automatically flattens nested objects and handles complex data structures.

JSON Input
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CSV Output

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JSON to CSV Converter Online

Convert JSON arrays to CSV files or transform CSV data into JSON objects. Our tool handles nested objects by flattening them with dot notation, making it easy to work with complex data structures in spreadsheet applications.

Features

  • ✓Automatically flattens nested JSON objects
  • ✓Handles arrays within objects
  • ✓Unflattens dot-notation keys back to nested objects
  • ✓Choose between array or object output format
  • ✓Preserves data types when converting CSV to JSON