Text tools
Remove Duplicate Lines
Strip duplicate lines from a list while preserving order.
How it works
- 1Paste a list — one item per line.
- 2Toggle case-sensitive or trim if needed.
- 3Copy the cleaned-up list.
Use cases
- Deduplicate email lists
- Clean up URL lists for scraping
- Tidy up SQL IN-clause inputs
Frequently asked questions
Does it preserve order?
Yes — the first occurrence of each line wins, and the original order is kept.
Does it trim trailing spaces?
Only if "Trim whitespace" is enabled. Then " foo " and "foo" are treated as duplicates.
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Remove Extra Spaces
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