Find Differences Between Two Data Sets

Compare two lists of IDs, SKUs, or records.

Ez da saioa hasi behar

List A (0 lines)

List B (0 lines)

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💡 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.

data tips

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Paste two columns of IDs or SKUs to find what was added or dropped between exports.

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"All (unique)" gives you the combined, de-duplicated set.

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Keep "Trim whitespace" on so stray spaces don't cause false mismatches.

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

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

Zergatik erabili gurea?

✓Erabat doakoa, ezkutuko kosturik, inoiz

✓Ez da konturik, posta elektronikorik edo saioa hasteko beharrik

✓Fitxategiak ez dira inoiz zure gailutik irteten

✓Ez dago fitxategien tamaina mugarik

✓Ez dago ur-markarik edozein irteeratan

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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

✅

Find What's Missing Between Lists

Spot items in one checklist that are absent from a

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