Duplicate Line Remover

Find and remove duplicate lines from your text with fuzzy matching support

How to Use Duplicate Line Remover

1. Paste or type your text into the input area — enter one item per line
2. Choose your options: Case Sensitive for exact matching, Trim Whitespace to clean up spaces, Show Duplicate Count to see how many times each line appeared, or Fuzzy Match to catch similar lines with a similarity threshold
3. Select a mode (Remove Duplicates, Mark Duplicates, or Only Show Duplicates), click Process, then copy the result or Download as .txt

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