JSON ↔ CSV Converter

Convert JSON arrays to CSV and back, with proper quoting and nested-field flattening.

Processed on your device

How to use

  1. Pick a direction — JSON to CSV or CSV to JSON.
  2. Paste your data; quoted fields and commas are handled correctly.
  3. Download the converted file.

Privacy

This tool runs entirely in your browser. Your file is processed on your device and is not uploaded to a server.

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