Online utility
Remove Duplicate Lines Online
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Clean repeated entries from pasted lists while preserving their original order. Optional matching rules let you decide how whitespace, casing, and empty lines are handled.
Interactive workspace
Remove Duplicate Lines workspace
Simple workflow
How to use Remove Duplicate Lines
- Set matching options
Paste one item per line, adjust the comparison options, and copy the unique result.
Common questions
Frequently asked questions
Does sorting occur?
No. The first occurrence is kept and the original order of unique lines is preserved.