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重複行削除

テキストの重複行を削除し、必要に応じて元の順序を保ちます。

Text tool

Remove duplicate lines instantly

Paste text, keep the first occurrence of each line, and clean it up without changing the original order.

Status
Ready to deduplicate lines.
Input lines
0
Output lines
0

Text input

Each line is treated as one item.

Deduplicated output

The first occurrence of each line is preserved.

Ready to deduplicate lines.
Tip: deduplication keeps the first matching line and removes later duplicates.