Innotive

Remove Duplicate Lines

Deduplicate repeated lines while preserving order. Optional trim and case-insensitive matching for cleaner lists.

Paste any line-based list and remove duplicates instantly. Keep the first occurrence order, and optionally normalize whitespace or ignore case. Handy for emails, keywords, logs, and import lists.

Ignore case Trim whitespace before comparing

Input lines

Unique lines

alpha
beta
Gamma

Removed 2 duplicate line(s). Output has 4 line(s).

How it works