Remove Duplicate Lines finds and eliminates repeated lines in your text while maintaining the original order and keeping unique content intact.

• Case-sensitive/insensitive matching • Keep first/last occurrence • Adjacent duplicates only option • Partial line matching • Frequency counting • Sort by occurrence • Statistics report • Batch processing

1. Enter text with duplicates 2. Choose matching options 3. Select preservation rules 4. Process duplicates 5. Review and save results