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TRULLZ

Free Remove Duplicate Lines

Deduplicate lines, optionally case-insensitive.

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How to use the Remove Duplicate Lines

  1. 1Paste your list (one item per line).
  2. 2Toggle case sensitivity and sorting as needed.
  3. 3Copy the deduplicated result.

Features

  • Case-sensitive / insensitive comparison
  • Optional trim before comparing
  • Sort result alphabetically
  • Shows removed line count

Frequently Asked Questions

Does the order stay the same?

Yes, unless you enable sorting. First occurrences keep their original position.

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About the Remove Duplicate Lines

Remove duplicate lines from lists — with options for case sensitivity, trimming and sorting the result. The Remove Duplicate Lines runs entirely in your browser — your data is processed locally and never uploaded to a server. Explore more Text tools or browse all free online tools.