Remove duplicate lines from your text instantly. Clean up lists, remove repeated entries, and keep only unique lines.
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Original Lines
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Unique Lines
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Removed
How to Use
Paste your text with duplicate lines into the textarea above.
Optionally enable case-sensitive comparison for more precise matching.
Click "Remove Duplicates" to get only unique lines in the result.
Frequently Asked Questions
By default, it's case-insensitive ("Apple" and "apple" are considered duplicates). Check the "Case sensitive comparison" option if you need exact matching including letter casing.
Yes! The tool keeps the first occurrence of each duplicate and preserves the original line order. Only subsequent duplicates are removed.
Empty lines are treated as valid lines. If there are multiple consecutive empty lines, only the first one is kept and others are removed as duplicates.