Does it preserve line order?
The first occurrence of each line is kept, and order is generally preserved.
Professional Grade
Remove Duplicate Lines
Clean up your text by removing duplicate lines instantly. Fast and private duplicate line remover for text files.
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Quick Guide
Master this tool in seconds
Paste or type text containing duplicate lines.
Click "Remove Duplicates" to clean the text.
Only unique lines will remain in the output.
Copy the cleaned text for your use.
Common Questions
Everything you need to know
Is whitespace considered?
Yes, lines with different whitespace are treated as different lines.