Compare Two Email Lists

Find which addresses are new, removed, or shared between two lists.

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List A (0 lines)

List B (0 lines)

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— 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.

email lists tips

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"Only in A" finds subscribers who unsubscribed; "Only in B" finds new sign-ups since the last export.

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Turn on "Ignore case" so Bob@x.com and bob@x.com are treated as the same address.

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"In both" shows who's on both lists — useful for de-duplicating before a send.

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Email lists are compared in your browser — never uploaded.

Paano ito Gumagana

Ilagay

Enter your data into the tool above. Everything stays local to your browser.

Iproseso

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

I-download

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

Bakit gamitin ang aming kasangkapan?

✓Ganap na libre — walang nakatagong bayad, kailanman

✓Walang kinakailangang account, email, o login

✓Ang mga file ay hindi kailanman lumalabas sa iyong device

✓Walang anumang limitasyon sa laki ng file

✓Walang watermark sa anumang output

Also check out…

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Find Differences Between Two Data Sets

Compare two lists of IDs, SKUs, or records.

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Merge and De-duplicate Two Lists

Combine two lists into one unique list.

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Find the Overlap Between Two Lists

See which items appear in both lists (the intersec

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Find What's Missing Between Lists

Spot items in one checklist that are absent from a

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