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Text Deduplicator

Remove duplicate lines from a text, keeping the first unique occurrence.

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How to Use
  1. Paste your text into the input area.
  2. Adjust "Line Options" to ignore leading/trailing whitespace if needed.
  3. Click "Remove Duplicates" to get the unique lines in the output.
  4. Copy the cleaned text or load a new example.
Features
  • Real-time duplicate line highlighting
  • Option to ignore leading and trailing whitespace
  • Simple, fast, and client-side
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