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Duplicate Line Remover – Remove Duplicate Lines Free
★ 4.8
(215 votes)Remove duplicate lines from text. Case-insensitive, trim whitespace, keep first/last, sort output, diff view. Instant, 100% private.
Input
9 lines
Output — 5 unique lines
−4 removed
9
Total input
4
Duplicates removed
5
Unique lines
44%
Reduction
Text processed entirely in your browser — never sent anywhere