Duplicate Line Remover
Remove repeated lines from a list and keep the first of each, with options to ignore case and trailing spaces. It runs on your device.
Paste a list to clean it up.
Result
Your text stays in this browser tab. Nothing is sent to a server.
How to use it
- 1
Paste your list
One item per line.
- 2
Set the matching
Choose whether case and end spaces should count.
- 3
Copy the result
See how many duplicates were removed, then copy the clean list.
Questions about duplicate line remover
Which copy is kept?
The first time a line appears is kept; later repeats are removed.
Does order change?
No. The remaining lines stay in their original order.
Is my list sent anywhere?
No, the work happens in your browser.