Paste text to instantly remove duplicate lines. Preserves original order. Options for case sensitivity and whitespace trimming.
Paste text and click Remove Duplicates. The tool keeps the first occurrence of each line and removes subsequent duplicates, preserving original order.
Yes. The first occurrence of each line is kept in its original position. Only subsequent duplicates are removed.
By default yes. Uncheck Case Sensitive to treat "Apple" and "apple" as duplicates.
No. All processing runs locally in your browser.