Duplicate / Unique Line Tool

Total Lines
1
Unique Lines
0
Duplicate Lines
0
Empty Lines
1

Processing Options

Operation Mode

Options

About Duplicate / Unique Line Tool

Our free online duplicate line tool helps you clean up lists, remove repeated entries, or find unique values in your data. Perfect for processing CSV files, email lists, keywords, or any text-based lists that need deduplication.

Features:

  • Remove Duplicates - Keep only the first occurrence of each line
  • Find Duplicates - Show only lines that appear more than once
  • Find Unique - Show only lines that appear exactly once
  • Frequency Count - Display how many times each line appears
  • Case Sensitivity - Choose whether to treat uppercase/lowercase as different
  • Sorting Options - Sort results alphabetically or reverse order
  • Download Results - Save processed data as a text file