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Remove Duplicate Lines

Remove repeated lines while keeping the first occurrence and the original order.

▣ Processed locally in your browser. Nothing is uploaded.

Your text or list

Cleanup options Ignore empty lines Trim whitespace Ignore capitalization

Result

1×

Your cleaned list will appear here.

Duplicate lines are removed locally.

Reserved for later. Not active in the local prototype.

Each line is treated as one item. Repeated items are removed while the first occurrence stays in place.

Does it preserve order?

Yes. The first occurrence stays where it was.