Duplicate Lines Remover is a free online tool that instantly removes duplicate lines from text. Just paste your text and get a clean version with all duplicates removed.
This tool is perfect for programmers, writers, editors, students, SEO experts, and anyone who needs to clean up repeated lines in large text files.
Duplicate Lines Remover
What Is a Duplicate Lines Remover?
A duplicate lines remover is a simple online tool that cleans text by removing repeated lines. It is commonly used by programmers, editors, writers, and SEO specialists to clean large blocks of text quickly.
Why Remove Duplicate Lines?
Duplicate lines often appear during:
- Copy–paste from mixed sources
- Working with log files
- Managing large text data
- Cleaning export files
- Fixing formatting issues
How This Tool Works
This tool splits your text into separate lines, removes duplicates using a smart filtering script, and outputs clean, unique lines while preserving order.
Features
- Instant duplicate line removal
- Keeps original line order
- No limits — paste any text size
- 100% free and works in your browser
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Duplicate Lines Remover – FAQs
Does this tool remove all duplicate lines?
Yes. It removes every repeated line and keeps only unique lines.
Will it change the order of the text?
No, it preserves the original order of lines.
Can I remove duplicates from large text?
Yes. There is no text size limit.
Do I need to install software?
No. It works entirely in your browser.
Is this tool free?
Yes, the Duplicate Lines Remover is 100% free with no restrictions.