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Remove Duplicate Lines

Remove duplicate lines from text. Sort alphabetically, trim whitespace, remove empty lines.

Features

  • Remove duplicate lines from text
  • Case-sensitive or insensitive mode
  • Sort lines alphabetically
  • Trim whitespace option
  • Show duplicate count

How to Use

  1. Paste your text
  2. Choose options (case sensitivity, sorting)
  3. Click Process
  4. Copy the cleaned result

Frequently Asked Questions

Does it preserve line order?

Yes, by default the first occurrence is kept and duplicates removed.

Can I sort the result?

Yes, enable the sort option to alphabetize the output.

Does it handle empty lines?

Yes, enable the trim whitespace option to also remove blank lines from your text.

Can I see what was removed?

The tool shows a count of duplicates removed so you can verify the cleanup.