Duplicate Line Remover

Remove duplicate lines from text

Remove duplicate lines while preserving the first occurrence of each line.

Input text

Case insensitive

Output

Privacy: Duplicate Line Remover runs completely in your browser. Your input never leaves your device.

Duplicate Line Remover FAQ

Is Duplicate Line Remover free to use?

Yes, this tool is completely free. There are no fees, subscriptions, or limits — open the page and use it as much as you like.

Does Duplicate Line Remover upload my data?

No. Duplicate Line Remover runs entirely in your browser on your own device. Your text and numbers never leave your computer.

Does Duplicate Line Remover work on mobile?

Yes. The tool is fully responsive and works on Android, iPhone, tablets, laptops, and desktop computers.