About this tool
Clean email lists, keyword lists, log output and any text where each line should appear once.
How to use Remove Duplicate Lines
- Paste your list with one item per line.
- Choose the cleanup options you need.
- Copy the cleaned list from the output box.
Frequently asked questions
Is the first occurrence kept?
Yes. When duplicates are found, the first one stays and later ones are removed.
What does ignore case do?
With it on, 'Apple' and 'apple' count as the same line.