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Item Deduplicator

Remove duplicate items from lists, text, or data quickly and efficiently.

Input

Options

"Item" and "item" will be treated as different
Remove leading and trailing spaces
Skip blank lines in results
Alphabetically sort the deduplicated list

Results

What Is Deduplication?

Deduplication is the process of removing duplicate entries from data, leaving only unique items. This is useful for cleaning up lists, databases, email lists, and many other types of data.

Common Uses

  • Cleaning up customer or contact lists
  • Removing duplicate lines from code or text
  • Processing data exports before analysis
  • Removing duplicate entries from spreadsheets
  • Cleaning up bibliography or reference lists

Privacy Note

All processing happens in your browser. Your data is never sent to our servers, making this tool safe for sensitive information.