Remove Duplicate Lines
Delete repeated lines from a list in one click.
Loading tool…
About Remove Duplicate Lines
Clean up email lists, keyword lists or any list with repeats. Paste the list and every repeated line is removed, keeping the first one. You see how many duplicates were found.
How to use Remove Duplicate Lines
- 1Paste your list, one item per line.
- 2Pick options like ignoring case or trimming spaces.
- 3Click "Remove duplicates" and copy the clean list.
Why use this tool?
- Private. What you type stays in your browser.
- Free. No sign up, no limits, no watermark.
- Fast. Results in seconds, no waiting in a queue.
- Any device. Works on computers, tablets and phones.
Frequently asked questions
Is the original order kept?
Yes. Lines stay in the same order, only repeats are removed. You can sort them after if you like.
Are "Apple" and "apple" duplicates?
Only if you turn on "Ignore case".
How many lines can it handle?
Hundreds of thousands of lines work fine in a modern browser.