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Duplicate Line Remover
Remove duplicate lines from text with statistics and find-duplicates mode.
About Duplicate Line Remover
Duplicate Line Remover is a free online tool that removes repeated lines from text. It keeps the first occurrence of each line and removes subsequent duplicates. Features include case-sensitive or case-insensitive comparison, whitespace trimming, a 'Find Duplicates' mode that shows only the repeated lines with their counts, and detailed statistics.
How to Use
Paste your text into the input area, configure options (case sensitive, trim whitespace), then click 'Remove Duplicates' to get unique lines or 'Find Duplicates' to see which lines are repeated. Statistics show total lines, unique count, removed count, and the most repeated line.
Common Use Cases
- •Cleaning up lists with repeated entries
- •Deduplicating log file entries
- •Removing duplicate URLs from link lists
- •Finding repeated lines in data files
- •Cleaning up CSV data before import