Remove Duplicate Lines

Paste your text below to instantly remove duplicate lines, scrub email lists, or organize spreadsheet rows.

Original Text / List
Clean Result (Unique Lines)
Original Lines: 0Unique Lines: 0Duplicates Removed: 0

What is Duplicate Line Remover?

The Duplicate Line Remover is an online text sanitization tool that allows you to paste large lists and instantly remove identical or repeating lines. It is widely used by marketers cleaning email newsletter databases, developers scrubbing server log files, and data analysts organizing spreadsheets.

How to Remove Duplicate Lines Online

  1. Paste or type your text list into the left text box.
  2. Toggle optional settings: Case Sensitive comparison, Trim Whitespace, or Remove Empty Lines.
  3. Choose your desired sort order: Keep Original Order, Sort Alphabetically (A-Z), or Sort (Z-A).
  4. Click 'Copy' to immediately copy the deduplicated result to your clipboard.