Remove Duplicate Lines

Clean lists and sort lines. Free, no sign-up, files stay on your device.

🔒 100% private — processing happens in your browser. Nothing is uploaded.

Remove duplicate lines from a list

  1. Paste your list — emails, keywords, names, URLs…
  2. Duplicates are removed instantly; choose case-insensitive matching or sorting if you need it.
  3. Copy the clean list.

Great for cleaning mailing lists, keyword lists and spreadsheet columns. Your text never leaves your browser.

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