Remove Duplicate Lines
Paste a list and remove duplicate lines, with options to sort and ignore case.
0 duplicate line(s) removed
How to use
- Paste your list, one item per line.
- Toggle ignore-case / sort if needed.
- Copy the de-duplicated result.
Frequently asked questions
Does it keep the original order?
Yes by default — the first occurrence of each line is kept. Turn on sorting to reorder alphabetically.
Last reviewed: 2026-01-01