Compare Two Lists
Paste one item per line to find matches and differences between two lists.
Check your lists and options, then select Compare lists.
Results
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How to compare your lists
Paste a column from Excel or Google Sheets into each box. Choose your matching options, compare, then copy or download the groups you need. You can leave one list empty.
Matching and result order
Repeated items appear once in each result. The first spelling and input order are preserved; shared items use the spelling from A. All Unique lists A's items first, followed by items found only in B.
By default, surrounding whitespace and empty lines are removed, and letter case is ignored. Character width, accents, and punctuation are not normalized. Matching is not language-specific or fuzzy.
If you keep empty lines, a blank line counts as an item. With trimming off, whitespace-only lines are distinct from empty lines. Copy and TXT add a line ending after each item, preserving blank items.
Example
If A contains SKU-001, SKU-002, and SKU-003, and B contains SKU-002, SKU-003, and SKU-004: Only in A is SKU-001, In Both is SKU-002 and SKU-003, and Only in B is SKU-004. Enter each item on its own line.
Frequently asked questions
How is this different from a text diff?
List comparison finds matching items even when their line positions differ. Use Text Difference Checker to review edits or line changes between versions of a document.
What lists can I compare?
Compare product codes, names, keywords, or any one-item-per-line list. Email addresses and URLs are compared as text, not opened or contacted. Multi-column CSV is not parsed into separate fields.
Does sharing include my lists?
Sharing sends only the tool title and page URL, never your inputs or results. Usage analytics also exclude list content.
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