Remove Duplicate Lines
Remove duplicate lines from text. Optionally case-sensitive; shows stats and lists duplicate lines below.
Text (one item per line)0
Case sensitive
About This ToolFree online tool to remove duplicate lines. Keeps first occurrence of each line; you can choose case-sensitive or case-insensitive. Statistics and the list of duplicate lines are shown below.How to Use1. Paste or type text in the box (one item per line). Toggle "Case sensitive" if needed.
2. Click "Remove duplicate lines". The result replaces the input; stats and duplicate list appear below.
3. Use Undo to revert, Copy to copy result, or Clear to start over.
2. Click "Remove duplicate lines". The result replaces the input; stats and duplicate list appear below.
3. Use Undo to revert, Copy to copy result, or Clear to start over.