Remove duplicate lines
Delete repeated lines from a list, optionally trim and sort.
Input
Output
Runs locally in your browser. Nothing is uploaded.
How to use
- Paste a list, one item per line.
- Choose options: ignore case, trim spaces, sort.
- Copy the cleaned list.
Questions
Which copy of a duplicate is kept?
The first occurrence stays, later ones are removed. Order is preserved unless you enable sorting.