Remove Duplicate Lines

Remove duplicate lines from text

🔒 This tool runs fully in your browser. No files or data are uploaded.
Original lines: 0 | Unique lines: 0 | Removed: 0

How to Use

  1. Enter or paste your text with duplicate lines (one item per line)
  2. Click "Remove Duplicates" to process the text
  3. Copy the result with unique lines only

FAQ

  • How are duplicates identified?
    Lines are compared exactly as they appear. Whitespace and case differences are considered different lines.
  • Does it preserve the order?
    Yes, the first occurrence of each line is kept, maintaining the original order.
Disclaimer: This tool processes text line by line. Empty lines are preserved as unique entries.