Remove Duplicate Lines

How to use the Remove Duplicate Lines

1. Paste your list, one item per line.
2. Choose the output: unique lines, only the repeats, only lines that appear once, or every line with its count.
3. Copy the result and check the "Repeated lines" tab for details.

Why use this Remove Duplicate Lines

• Four output modesUnique list, only duplicates, only singles, or each line with a count.
• Keep first or lastDecide which occurrence survives when the same line appears more than once.
• Forgiving matchingIgnore capital letters and spaces around lines so "Apple" and "apple " match.
• Duplicate reportA ranked table with bars shows which lines repeat most.

Related tools

• Sort Lines Alphabetically
• List Comparison Tool
• Remove Duplicates by Column
• Email Deduplicator
• All text and data tools

More Text Formatting tools

• Remove Line Breaks
• Remove Extra Spaces
• Trim Whitespace
• Case Converter
• Title Case Converter
• Sentence Case Converter
• Reverse Text
• Add Prefix and Suffix to Lines
• Sort Lines Alphabetically
• Word Counter by Paragraph
• Line Counter
• Remove Special Characters
• Remove Stop Words
• Paragraphs to Bullet Points
• Text Wrapper
• Hidden Character Detector
• Bulk Find and Replace
• Bulk Text Replacer
• Text to Slug Generator