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How to Use Duplicate Line Remover

Remove duplicate lines from any list online while keeping the original order. Free tool for cleaning emails, keywords and data exports in your browser.

About this tool

Remove repeated lines while retaining the first occurrence of each matching entry.

How to use Duplicate Line Remover

  1. Paste Your list with one item on each line.
  2. Choose whether to Ignore case, Trim whitespace or Remove empty lines.
  3. Review Unique lines and the duplicates removed count, then copy the result.

Worked example

For apple, banana and apple on separate lines, the unique list contains apple followed by banana.

Are Apple and apple duplicates?

They are treated as duplicates when Ignore case is enabled. Leave it off when capitalization distinguishes entries.

Will this recognize similar spellings?

No. It compares lines according to the selected normalization options, not fuzzy meaning or spelling similarity.

Put this guide into practice

Explore Text Tools · More practical guides

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Personalize your experience. Open with Ctrl+U (Option+U on Mac). Preferences stay in this browser when storage is available.

Move / Hide Widget

Restore at any time with Ctrl+U (Option+U on Mac).

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