Duplicate Line Finder

Find duplicated lines in a pasted list. Show duplicated values separately.

Result
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How it works

  1. 1Paste a list with one item per line into the input area.
  2. 2The tool scans all lines and identifies which appear more than once.
  3. 3Duplicated lines are displayed separately from unique lines.
  4. 4Useful for identifying duplicates before removing them with the Remove Duplicates tool.

Example

Input: apple
banana
apple
cherry
Output: Duplicates: apple. Unique: banana, cherry