📊 CSV ↔ JSON

変換 CSV to JSON or JSON to CSV with custom delimiters

🔒 画像がデバイスの外に出ることはありません。 すべての処理はCustom parser (client-side)を使用してブラウザ内でローカルに行われます。アップロード、サーバー、追跡は一切ありません。

特長

  • Bidirectional Conversion — 変換 CSV to JSON or JSON to CSV — switch direction with one click.
  • Row & Column Stats — See the number of rows and columns detected in your data.
  • カスタム Delimiters — Support for comma, semicolon, and tab-separated values.
  • Copy & ダウンロード — Copy the output or download as a file.

仕組み

  1. Choose direction — Select CSV to JSON or JSON to CSV.
  2. Paste your data — Enter CSV or JSON data in the input panel.
  3. Copy or download — Get the converted output in the format you need.

活用例

  • 変換 spreadsheet exports to JSON for APIs
  • Transform JSON API responses to CSV for analysis
  • Prepare data for import into different systems

よくある質問

Does it handle quoted fields?

Yes. The parser correctly handles quoted fields, including fields containing commas and newlines.

What JSON format is used?

CSV to JSON produces an array of objects, using the first row as keys. JSON to CSV expects an array of objects with consistent keys.

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