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Compare Two Email Lists

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

No cal iniciar sessió
— 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.

Com funciona

1
Introdueix
Enter your data into the tool above. Everything stays local to your browser.
2
Processa
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Descarrega
Get your result instantly. Nothing is stored after you leave the page — complete privacy.

Per què usar la nostra?

✓Completament gratuït — sense costos ocults, mai
✓No cal compte, correu electrònic ni inici de sessió
✓Els fitxers no surten mai del teu dispositiu
✓Sense cap límit de mida de fitxer
✓Sense marques d'aigua en cap sortida

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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

Preguntes freqüents

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