JSON ↔ CSV 変換
JSON配列をCSVに、またはCSVをJSON配列に双方向で変換。クライアントサイド処理。
100% in your browser. Your file never leaves your device.
Paste JSON or CSV above, choose a direction, then click Convert.
How to use
- Select the conversion direction: JSON → CSV or CSV → JSON.
- Paste your data into the input box.
- Click "Convert" and copy or download the output.
Related tools
よくある質問
- Is this tool free?
- Yes, completely free with no signup required.
- Does my data leave my device?
- No. All conversion happens locally in your browser — nothing is sent to a server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on any modern browser.
Last updated: By jarvisbox