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Remove Duplicate Lines

Delete repeated lines from any list, with tidy-up options.

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AHow to use

  1. 01 Paste your list into the input box.
  2. 02 Tick the tidy-up options — the clean list appears instantly.
  3. 03 Copy the deduplicated result.

QFAQ

Does the order stay the same? ＋

Yes. The first occurrence of every line keeps its original position; only later duplicates are removed.

How are duplicates detected? ＋

Lines are compared exactly by default. Enable "ignore case" and "trim spaces" for looser matching — kept lines always keep their original spelling.

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