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Compare Two Lists

Compare two lists to find items in common, items unique to each list, and the combined set.

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How to use

  1. 1Paste List A into the first box, one item per line
  2. 2Paste List B into the second box, one item per line
  3. 3View items in common, unique to A, unique to B, and the combined union

Why use this tool?

Manually comparing two spreadsheets, contact lists, or datasets to find overlaps and differences is tedious and error-prone at any real size. This tool instantly finds the intersection, differences, and union between two lists, with an option to ignore case and whitespace.

Frequently asked questions