JSONツール
JSONからCSV
JSONオブジェクトや配列をフラット化し、プレビュー付きCSVに変換します。
Input JSON
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使い方
- Paste JSON or choose a file containing an object array.
- Choose a delimiter, flattening and array handling options.
- Preview the first rows, copy CSV or download it with an optional BOM.
おすすめの用途
- Moving API data to spreadsheets
- Creating a quick report
- Exporting nested records
注意点
A flat table cannot preserve every nested relationship. Array values can be kept as JSON, joined or ignored.
よくある質問
Are commas and quotes escaped?
Yes. Cells containing delimiters, quotes or newlines are quoted using standard CSV escaping.
Why add a BOM?
Some Excel versions use a UTF-8 BOM to detect Chinese and other non-ASCII text.