Free JSON/CSV Converter

Convert JSON ↔ CSV Instantly

Convert between JSON and CSV formats with live preview, data validation, and instant download.

JSON
CSV

Input (JSON)

Paste your JSON data here

1 lines, 0 chars

Output (CSV)

Converted CSV data

Converted data will appear here

Features & Tips

✨ Features

  • ✓ Instant conversion (no server upload)
  • ✓ Drag & drop file upload
  • ✓ Data validation & error messages
  • ✓ Download converted files
  • ✓ Handles nested JSON objects
  • ✓ Auto-detects file format

💡 Tips

  • • JSON must be valid (use array of objects)
  • • CSV first row is treated as headers
  • • Commas in values will be quoted
  • • Numbers are auto-detected
  • • Swap formats with the arrow button
  • • All processing happens locally (private)

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