JSONツール
JSONフォーマッター＆バリデーター
JSONを整形、検証、圧縮し、行単位のエラーと統計を確認できます。
Input JSON
Output
All data is processed locally in your browser. Nothing is uploaded or sent to analytics.
ほとんどのツールはブラウザ内でローカル処理します。背景除去では選択した画像を設定済みサーバーで処理し、完了後に元画像を削除します。
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使い方
- Paste JSON or choose a .json file.
- Choose indentation and optional key sorting, then select Format, Minify or Validate.
- Copy or download the result; invalid input includes a line and column when available.
おすすめの用途
- Cleaning API responses
- Checking configuration files
- Preparing readable JSON for documentation
注意点
JSON must follow the standard syntax. Comments and trailing commas are not accepted.
よくある質問
Is my JSON uploaded?
No. Parsing, formatting and downloads happen in your browser.
Can I format a large file?
Files up to 20 MB are accepted. Larger inputs may take longer on low-memory devices.