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Remove Duplicate Lines

Remove duplicate lines online free with trim, case-sensitive and sorting options. Clean lists locally in your browser.

Client-side

Unique lines

Input lines

5

Unique lines

3

Removed

2

apple
banana
orange

Text Tools

About Remove Duplicate Lines

Remove duplicate lines online free with trim, case-sensitive and sorting options. Clean lists locally in your browser. The work happens in your browser, so your input stays on your device while you prepare the result.

Cleaning email lists, keywords, IDs, URLs and pasted spreadsheet values.

Turning repeated lines into a unique list before sharing or importing.

Practical notes

  • Use trim matching when duplicates may contain extra spaces around the value.
  • Keep original order off only when alphabetical sorting is useful for the final list.

Related tools

Word CounterCharacter CounterText Case Converter

Common questions

Does this tool upload my data?

No. The tool runs in your browser and keeps the selected content on your device.

Is this tool free?

Yes. It is free to use in the browser and does not require an account.