Toolzy

Remove Duplicate Lines

Delete duplicate lines from text, keeping the first occurrence.

Clean up a list by removing duplicate lines. Options let you trim whitespace and ignore case when matching.

使い方

  1. Paste your lines.
  2. Choose trim and case options.
  3. Copy the de-duplicated result.

よくある質問

Which occurrence is kept?
The first occurrence of each line is kept; later duplicates are removed.
Does order change?
No, the original order of the remaining lines is preserved.

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