Remove Duplicate Lines
Remove repeated lines while keeping the first occurrence.
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Frequently Asked Questions
Does it keep line order?
Yes. It keeps the first occurrence of each line and removes later duplicates.
Are blank lines removed?
Blank lines are treated like any other line, so repeated blank lines are reduced to one.
Is duplicate removal case sensitive?
Yes. Lines that differ only in capitalization are treated as different and both are kept.
Is my text uploaded?
No. Duplicate lines are removed locally in your browser, so your text stays private.