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Compare Two Lists and Find Differences

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Paste two lists and instantly see what's common, what's unique to each, and what's missing. Results are grouped into intersection, difference, and symmetric difference.

Handy for comparing email subscriber lists, checking inventory against orders, or finding which items were added or removed between two versions of a list.

List A
List B
Common — 0 items
0 common · 0 only A · 0 only B

Frequently Asked Questions — Compare Two Lists

Two lists, line by line. It shows items that are common to both, unique to the first, and unique to the second.

By default, yes. Each line is compared exactly as entered.

Yes. Each result section (common, unique) has a copy button. Paste the output wherever you need it.