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免费 Compare Two Lists
Compare two lists to find items only in A, only in B, in both, or all combined and de-duplicated. Case and whitespace options. Runs in your browser.
Runs in your browserNo sign-up, no pop-ups无需登录永久免费
— 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.
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工作原理
Comparing two lists by hand is error-prone. Paste them here and instantly see which items are unique to each, shared, or combined — a set comparison in your browser.
- 1You paste two listsOne item per line in each box. Nothing is uploaded.
- 2They're compared as setsItems are optionally trimmed and case-normalised, then matched between the lists.
- 3You see four viewsOnly in A (missing from B), In both (the overlap/intersection), Only in B, and All unique (the union, de-duplicated) — each with a count.
- 4Copy any resultGrab the list you need with one click.
Lists of emails, IDs, or SKUs can be sensitive. The comparison runs entirely on your device — nothing is uploaded.
为什么选择我们的？
✓Completely free — no hidden costs, ever
✓No account, email, or login required
✓Runs entirely in your browser — no uploads
✓Works on any device — phone, tablet, desktop
✓Open and ad-supported, with no tracking
✓Loads fast, with no installation needed
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