Remove Duplicates
Remove duplicate lines from text. Preserves original order.
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What is this tool?
Duplicate remover tool eliminates repeated lines from text or data. Paste a list and instantly remove duplicate entries while preserving the original order. Supports case-sensitive and case-insensitive modes, plus option to keep first or last occurrence. Essential for data cleaning and list deduplication.
How to use
- 1
Paste list
Input text with one item per line.
- 2
Configure options
Choose case sensitivity and which duplicate to keep.
- 3
Get unique list
Copy the deduplicated result.
Frequently Asked Questions
Does it preserve order?
Yes. The tool preserves the original order of items, keeping the first (or last, depending on your setting) occurrence of each unique entry.
Is it case-sensitive?
Default case-sensitive. Toggle if needed.
Can I process very large text?
The browser can handle text up to several megabytes. For very large files consider splitting them first.