Remove Duplicate Lines

Clean up lists: remove duplicates, empty lines and extra spaces, and sort.

How to use the Remove Duplicate Lines

  1. Paste your list, one item per line.
  2. Choose the cleaning options you need.
  3. Copy the cleaned list.

Useful for

  • Cleaning email lists, phone numbers and customer names.
  • Removing repeated keywords or hashtags.
  • Deduplicating product codes, order IDs or URLs before importing into a spreadsheet.

Frequently asked questions

Does “ignore case” change my text?

No. It treats “Apple” and “apple” as duplicates and keeps the first one exactly as written.

Is the original order kept?

Yes, unless you choose a sort option. The first occurrence of each line is kept in place.

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