Paste a list into each box — see which items are only in A, only in B, or in both. Order does not matter.
Only in A 0
In both 0
Only in B 0
About Compare Two Lists
This free Compare Two Lists tool finds the differences and overlap between two lists. Paste a list into each box — one item per line — and it instantly splits everything into three groups: only in A, in both, and only in B, each with a count and its own copy button.
Unlike a line-by-line diff, this is an order-independent comparison — the lists can be in any order and it still matches correctly, like a spreadsheet VLOOKUP or MATCH. Turn on ignore case, trim, and ignore blank lines to control how items are matched. Everything runs in your browser — nothing is uploaded.
What you can do with it
- Find what's missing — items in one list but not the other
- Find common items — everything that appears in both lists
- Compare two exports — customers, emails, SKUs, IDs or URLs
- Reconcile two versions of a list regardless of order
- Copy any group — grab "only in A", "in both" or "only in B" with one tap
Features
- Three results at once — only in A, in both, only in B, each with a count
- Order-independent set comparison (not a positional diff)
- Ignore case, trim and ignore blank lines options
- Duplicates within a list are collapsed, so each item shows once
- 100% in your browser — no sign-up, nothing uploaded
How to use it
- Paste List A on the left and List B on the right — one item per line
- (Optional) ignore case, trim lines, or ignore blank lines
- Read the three groups — only in A, in both, and only in B, with counts
- Copy a group with the copy button on its heading
