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Remove Duplicate Lines
Remove duplicate lines from text. Keep first or last occurrence, optional case-sensitive matching. Shows count of removed duplicates.
Quick answer
Remove Duplicate Lines is a free online tool that helps you remove duplicate lines from text. Remove duplicate lines from text. Keep first or last occurrence, optional case-sensitive matching. Shows count of removed duplicates.
Remove Duplicate Lines FAQ
How does it work?
Each line is compared with others. Duplicates are removed while keeping the first occurrence.
Is the order preserved?
Yes. The first occurrence of each line is kept in its original position.
Can I make it case-insensitive?
Yes. Check the case-sensitive option to treat "Hello" and "HELLO" as different lines.