🧹 削除 Duplicates

削除 duplicate lines from text with sorting and trimming options

🔒 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JavaScript Set-based deduplication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

  • Smart Deduplication — 削除 duplicate lines with options for case sensitivity, whitespace trimming, and output sorting.
  • Statistics — See how many original, unique, and duplicate lines were found.
  • Flexible Options — Toggle case sensitivity, whitespace trimming, and alphabetical sorting.
  • Copy & ダウンロード — Copy the deduplicated result or download as a text file.

仕組み

  1. Paste your text — Enter text with duplicate lines — one item per line.
  2. Configure options — Set case sensitivity, trim whitespace, and sort preferences.
  3. Get unique lines — Click 削除 Duplicates and copy or download the result.

活用例

  • Deduplicate email lists before sending campaigns
  • Clean up copied data with repeated entries
  • 削除 duplicate log entries for analysis

よくある質問

Is the comparison case-sensitive by default?

Yes. Toggle the Case Sensitive option off to treat 'Hello' and 'hello' as duplicates.

Does it preserve the original order?

Yes, by default. Enable Sort Output to alphabetically sort the unique lines.

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