Remove Duplicate Lines
Paste a list of lines to instantly remove duplicates. Control case sensitivity, whitespace trimming, and empty line removal.
1 lines
Unique lines will appear here…
How to use
- Paste your list into the left panel — one item per line.
- Adjust options (case sensitivity, trim, remove empty).
- Duplicates are removed live. Copy the unique output on the right.
Everything runs in your browser — no data is sent to any server.