Remove Duplicate Lines

Paste a list with one item per line. Repeats are removed and the first occurrence of each line is kept.

Runs in your browser. Nothing is uploaded.

How to use it

  1. Paste your list, one item per line.
  2. Choose your options.
  3. Select Remove duplicates and copy the result.

Common uses

  • Cleaning email or keyword lists
  • Tidying exported data
  • Finding unique entries in logs

Questions

Which duplicate is kept?

The first occurrence, so your original order is preserved.

Is my list sent anywhere?

No. It is processed in your browser.

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