Duplicate Line Remover

Remove duplicate lines from any text or list.

  • 100% free
  • Private in browser
  • No signup
  • No watermarks

Result

0 duplicates removed, 1 unique lines kept

apple\nbanana\napple\ncherry\nbanana

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About Duplicate Line Remover

Duplicate Line Remover cleans lists, logs, and CSV exports by deleting repeated lines while preserving original order — with trim and case-insensitive options.

How to use Duplicate Line Remover

  1. Paste your text or list.
  2. Choose trim and case options.
  3. Copy the deduplicated output.

Key features

  • Keeps first occurrence order
  • Optional line trimming
  • Case-insensitive mode
  • Shows removed/kept counts

Frequently asked questions

Does it keep the original order?
Yes — the first occurrence of each line is kept in its original position.
Is my data uploaded anywhere?
No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
Does it work on a phone?
Yes. The layout adapts to small screens and needs no app or signup.
Is Free Duplicate Line Remover Online free?
Yes. Free Duplicate Line Remover Online on TheToolss is free to use with no signup required for the core workflow.
Do I need an account?
No. You can run the tool and copy or download results without creating an account.
Free Duplicate Line Remover Online | TheToolss