Remove Duplicate Lines
Remove repeated lines while keeping the first occurrence and the order of your list.
Workspace
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How to use this tool
Paste one item per line and choose whether comparisons should ignore case or surrounding spaces.
What to know
Empty lines can be removed separately. Case-sensitive comparison treats “Apple” and “apple” as different entries.
Frequently asked questions
How do I use Remove Duplicate Lines?
Paste one item per line and choose whether comparisons should ignore case or surrounding spaces.
What should I check before using the result?
Empty lines can be removed separately. Case-sensitive comparison treats “Apple” and “apple” as different entries.
Is an account required?
No. This tool is free and the calculation takes place in your browser.