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Text Deduplicator

Remove duplicate lines from a text list.

How does Text Deduplicator work?
Text Deduplicator removes repeated lines from a list, keeping the first occurrence of each unique line and trimming extra whitespace, so you're left with one entry per distinct line.
How to use it
  1. Paste your list with one item per line.
  2. The deduplicated list is generated automatically below.
  3. Copy the cleaned result.
Common use cases
  • Cleaning up an email or contact list before a mail merge.
  • Removing duplicate SKUs or product codes from an exported list.
  • Tidying a keyword list before starting SEO research.
Frequently asked questions
Is deduplication case-sensitive?
"Apple" and "apple" are currently treated as different lines because comparison is exact.
Does it preserve the original order?
Yes, each unique line keeps its position based on its first occurrence in the list.
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