Duplicate Line Remover & List Sorter Online
Remove duplicate lines from text or lists, with sorting and case sensitivity options.
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Sort:
Original Lines
8
Unique Lines
5
Duplicates Removed
3
Input Text8 lines
Deduplicated Output
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About Duplicate Line Remover
Clean up large datasets, email lists, URLs, and code exports by stripping duplicate entries. Customize case sensitivity, line trimming, and alphabetical sorting.
Key Features & Capabilities
Case-sensitive or case-insensitive matching
Option to sort alphabetically (A-Z or Z-A)
Option to remove empty lines and trim whitespace
Displays total lines before and after with count of removed duplicates
How to Use Duplicate Line Remover
1
Paste your text or list into the input box.
2
Toggle settings (case sensitivity, sort, remove empty lines).
3
Click 'Remove Duplicates'.
4
Copy your deduplicated list.
Real-World Examples
Deduplicating a Fruit List
Input
Apple Banana Apple Cherry Banana
Output
Apple Banana Cherry
Frequently Asked Questions (FAQ)
Yes. The tool uses a JavaScript Set data structure with O(N) linear performance, processing 50,000+ lines in fractions of a second.