{{ lines.length }} lines detected
{{ removedCount }} duplicate lines removed
Duplicate Line Remover
Remove repeated lines while keeping the first one.
Paste one item per line and the tool will remove duplicate lines from the list or text block.
{{ removedCount }} duplicate lines removed
Helpful for keyword lists, exports, email lists, and cleaned-up notes.
Unique lines output
{{ output || 'Enter lines to remove duplicates.' }}
Good use cases
Keyword cleanup
Remove repeated lines from exported keyword lists and tag groups.
Log review
Reduce noise in repeated line output when comparing raw text or logs.
Content list maintenance
Clean lists of names, topics, or references while keeping the first appearance.
Duplicate line remover FAQ
Does it keep the original order?
Yes. The first unique line stays in place.
Is line matching case-insensitive?
Yes. Repeated lines are detected without case sensitivity.
Can I paste long lists?
Yes. It works well for practical line-based cleanup tasks.