Remove Duplicate Lines
Remove repeated lines, keeping the first. Everything runs on your device — fast, free, and never sent to a server.
The result will appear here…
or press Ctrl+Enter
Everything runs in your browser. Your data is never sent to our servers.
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Example
Example Input
a b a
Example Output
a b
How to Use
- 1Paste or type your text into the Input field.
- 2If the tool has "More settings", set them as needed.
- 3Click the button (or press Ctrl+Enter), then copy the result.
About Remove Duplicate Lines
Remove Duplicate Lines drops identical lines, preserving the original order and the first occurrence of each unique line.
One of the most searched text tools — great for cleaning lists of emails, URLs, or keywords.
FAQ
Is my text sent to a server?
No. Remove Duplicate Lines runs entirely in your browser — the text you enter never leaves your device.