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Remove Duplicate Lines
Remove repeated lines quickly while keeping unique content.
Remove Duplicate Lines Workbench
Keep only unique lines, with optional trim and case-sensitive matching.
Input
Result
Paste multi-line text and remove duplicates.
FAQ
What does this tool do? Remove Duplicate Lines?
It removes repeated lines from plain text while preserving line order.
Is my data uploaded?
No. All data is processed locally in your browser and is not uploaded.