Remove Duplicates

Remove duplicate lines from any list. Great for cleaning up email lists, URLs, or any text data.

Features

  • Removes duplicate lines from any list
  • Perfect for cleaning email lists, URLs, names, or any text data
  • Optional whitespace trimming (enabled by default)
  • One-click copy to clipboard
  • Download results as TXT file
  • Works entirely in your browser - no data sent to servers

How to use

  1. Paste your list into the text area (one item per line)
  2. Toggle “Remove whitespace” if needed
  3. Click “Remove Duplicates” to get unique items
  4. Copy the results or save them as a text file