About the Remove Duplicate Lines tool
Clean up email lists, keyword lists, parcel IDs or any line-by-line data. Duplicates are removed while keeping the first occurrence in its original position.
How to use it
- Paste your list, one item per line.
- Choose your options.
- Copy the cleaned list.
Frequently asked questions
Does it keep the original order?
Yes, unless you tick “Sort A→Z”.