Duplicate Lines Remover

Instantly find and remove all duplicate lines from a block of text or a list.

Home Duplicate Lines Remover
The Duplicate Lines Remover cleans up your lists and data by automatically identifying and deleting all redundant, identical lines. Essential for cleaning up mailing lists, keyword lists, or data entries. Remove duplicate lines now!

Options

Processing Order

1 Trim Whitespace (if enabled) - Removes leading/trailing spaces
2 Remove Empty Lines (if enabled) - Filters out blank lines
3 Remove Duplicates - Keeps unique lines (respects case sensitivity)
4 Sort Output (if enabled) - Alphabetical A→Z sorting
5 Reverse Order (if enabled) - Flips final result
total lines
characters
bytes
Please enter some text to process. The input cannot be empty.
Quick Templates: (Click to load sample data)

Processing Statistics

Unique Lines
Duplicates Removed
Reduction
Characters

Recent Operations ()

  1. 1 Enter List: Paste your list or block of text, even if it contains thousands of lines with many duplicates.
  2. 2 Remove Duplicates: Click "Process List".
  3. 3 View Unique List: The tool instantly filters the text, outputs only the unique lines, and usually provides a count of how many lines were removed.
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