Remove Duplicate Lines
New
Delete repeated lines from any list or text instantly
Browser-only · 100% private
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Frequently asked questions
Each line is compared to every line seen before it. The first occurrence of a line is kept and any later repeats are removed.
Yes — toggle off case sensitivity and "Hello" and "hello" will be treated as duplicates.
Enable "Trim whitespace" to treat lines that only differ by leading or trailing spaces as duplicates.
No. Everything runs locally in your browser — your text never leaves your device.