Remove Duplicate Lines
Remove repeated lines from lists and text.
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How to use Remove Duplicate Lines
- Paste a list or text with one item per line.
- Remove repeated lines and review the resulting list.
Things to check
Check how blank lines and differences in spacing or letter case are handled for your list.
Example task: Keep one copy of each repeated list entry
For a list with red, blue, and red on separate lines, remove the repeated red. Decide whether capitalization and surrounding spaces should affect matching.
Check the result: Confirm that both distinct entries remain. Do not apply the same cleanup blindly to a transcript, poem, or record where repetition has meaning.
Best for
Deduplicating lists arranged one item per line
What it supports
Multiline text; case matching and optional whitespace trimming
What you get
Deduplicated lines and a removed-duplicates count
Common questions and troubleshooting
Why do two lines that look the same remain in the result?
Capitalization and surrounding whitespace may make lines different under the selected options. Choose case matching and trimming deliberately, then check which entries were removed. Keep an original copy when repeated lines represent separate transactions, events, or meaningful repetition rather than unwanted duplicates.
More context for this task
Clean and revise text without changing its meaningProcessing and privacy
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