Paste your text below, choose a mode, and instantly remove duplicate lines.
Paste any text that contains repeated lines — a list of emails, product names, keywords, or log output — and this tool will clean it up for you in real time. You can keep the first occurrence of each line, keep the last one, ignore differences in capitalization, only remove lines that appear one after another, or sort all unique lines alphabetically. Everything runs locally in your browser, so your text never leaves your device. It is completely free, needs no signup, and works instantly on lists of any size.
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