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Merge and De-duplicate Two Lists

Combine two lists into one unique list.

Non é necesario iniciar sesión
— 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.

de-duplication tips

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The "All (unique)" view merges both lists and removes duplicates in one step.

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Use "Ignore case" to treat differently-cased duplicates as one.

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Copy the merged list straight into your spreadsheet or tool.

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Runs entirely in your browser.

Como funciona

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

Por que usar o noso?

✓Completamente gratuíto, sen custos ocultos, nunca
✓Non se precisa ningunha conta, correo electrónico ou inicio de sesión
✓Os ficheiros nunca saen do teu dispositivo
✓Non hai límites de tamaño de ficheiro
✓Non hai marcas de auga en ningunha saída

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Preguntas frecuentes

Back to Compare Two Lists