Remove Duplicate Lines

Clean lists in one click: every unique line kept once, in original order, with a count of what was removed.

How to use

  1. Paste your list.
  2. Optionally ignore case when comparing.
  3. Copy the deduplicated result.

Examples

Email list with repeats
Output: Each address once; order preserved.

Frequently asked questions

Does it keep the first or last occurrence?

The first. Order is preserved, later duplicates are dropped.

Related tools