Duplicate Line Remover
Remove duplicate lines from text and keep only unique lines.
Part of Yoopla's 435+ free browser tools.
How to Use Duplicate Line Remover
- 1
Paste your text with duplicate lines into the editor.
- 2
Click "Remove Duplicates" to eliminate all repeated lines.
- 3
Review the cleaned output showing only unique lines.
- 4
Copy the deduplicated text or download the result.
Frequently Asked Questions
Does it preserve the original line order?▾
Yes. The first occurrence of each line is kept in its original position. Only subsequent duplicates are removed.
Is the comparison case-sensitive?▾
By default yes. You can toggle case-insensitive mode to treat "Hello" and "hello" as duplicates.
Can it handle large files?▾
Yes. The tool processes text with thousands of lines efficiently, all within your browser.
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