Remove Duplicate Lines
Remove duplicate lines from any list or text — keep the first copy of each line, in order — free, fast and private.
Your result will appear here.
How to use Remove Duplicate Lines
- Paste your list or text, one item per line.
- Click Remove Duplicates.
- Check the result — the first copy of each line is kept, in order.
- Copy the cleaned list.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
Is the Remove Duplicate Lines free?
Yes, it is 100% free with no sign-up. Your files and data stay in your browser.
Which copy is kept?
The first occurrence of each line, in its original position. Later copies are removed.
Is my file uploaded to a server?
No. This tool runs entirely in your browser — your file is never uploaded.
Are blank lines removed?
Yes, empty lines are dropped unless you keep them — the result is a clean list with no gaps.