How to use it
How to use list compare
Compare two lists and return the shared values plus the items found only in the first or second list.
Compare last month's and this month's active customer IDs.
- Enter or paste the values you want to work with.
- Review the result and any validation message.
- Copy or download the result when the tool provides that action.
How it works
Each list is trimmed and deduplicated before set intersection and difference operations run with the selected case behavior.
Common uses
- Compare customer or product IDs between exports
- Find additions and removals between two lists
- Check overlap between campaign segments
What the free tool includes
- Intersection
- Only-in-A and only-in-B