Remove duplicate lines
Clean up lists with repeated items.
How to usePaste your list.
Available in: 
Advertisement
Remove duplicate lines: what it is for
The tool finds and removes repeated lines from a list, keeping the first occurrence of each item. It also shows how many lines were removed.
It works with lists of emails, names, phone numbers, codes and whatever else you need.
How to use
- Paste the list, one item per line.
- Choose whether to ignore case and spaces.
- Copy the list without duplicates.
When to use it
- Cleaning up email and contact lists.
- Removing repeated names in giveaways.
- Preparing data before importing it.
Frequently asked questions
Does the order of the list change?
No. The first occurrence of each line is kept, in the original order.
Does it work for email lists?
Yes. Paste one email per line and the duplicates are removed.
Is it really free?
Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.