Remove Duplicate Lines Tool

Foody Shagor
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Original lines: 0
Unique lines: 0
Duplicates removed: 0

This free online tool removes all duplicate lines from your text while preserving the original order. Our duplicate line remover is perfect for data





Clean Your Text Instantly with Our Duplicate Line Remover

This free online tool removes all duplicate lines from your text while preserving the original order. Our duplicate line remover is perfect for data cleaning, programming, content editing, and preparing CSV/TSV files.

Who Can Benefit from This Duplicate Line Remover?

  • Data analysts - Remove duplicate entries from datasets and lists
  • Programmers & developers - Clean log files or code outputs efficiently
  • Content writers & editors - Eliminate repeated sentences and phrases
  • Researchers & students - Prepare data for analysis by removing duplicates
  • SEO specialists - Clean up keyword lists and content

How to Use Our Online Duplicate Line Remover Tool

  1. Paste your text with duplicate lines into the input box
  2. Click the "Remove Duplicates" button
  3. Review the statistics showing original and unique line counts
  4. Copy your clean text using the copy button or download it

Advanced Features of Our Duplicate Line Remover

  • Preserves original line order
  • Shows detailed statistics about duplicates removed
  • Case-sensitive comparison for precise duplicate detection
  • 100% browser-based (your data never leaves your computer)
  • Completely free with no registration required

Frequently Asked Questions About Removing Duplicate Lines

Is this duplicate line remover tool completely free? +

Yes, our online duplicate line remover is 100% free to use with no limitations, hidden fees, or registration requirements.

Does this tool preserve the order of lines? +

Yes, our duplicate line remover preserves the original order of your lines while removing duplicates. The first occurrence of each line is kept, and subsequent duplicates are removed.

Is the text processing case-sensitive? +

Yes, our tool performs case-sensitive comparison by default. This means "Example" and "example" would be treated as different lines.  

What's the maximum text length this tool can handle? +

Since the processing happens entirely in your browser, the limitation depends on your device's memory. For most modern computers and smartphones, you can process texts with tens of thousands of lines without issues.

Does this tool work with CSV files? +

Yes, you can paste CSV content into the tool to remove duplicate rows. However, for advanced CSV processing.

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