Find the Overlap Between Two Lists
See which items appear in both lists (the intersection).
— no items —
💡 Paste a list in each box (one item per line). Only in A = items missing from B · In both = the overlap · Only in B = items missing from A · All (unique) = combined, de-duplicated. Everything runs in your browser.
overlap tips
The "In both" view is the intersection — items present in A and B.
Great for finding common customers, shared tags, or mutual entries.
Each tab shows a count so you can quantify the overlap.
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