Remove Duplicate Lines

Paste a list or block of text and remove every duplicate line, with an optional case-insensitive match.

0 lines in · 0 lines out · 0 removed

Result

Deduplicated text will appear here…

How to use Remove Duplicate Lines

  1. Paste one item per line.
  2. Choose whether matching should ignore letter case.
  3. Review the shorter result and copy it.

About this tool

This tool keeps the first occurrence of each line and removes later duplicates. It is useful for cleaning lists while retaining their original order.