Japanese Deck Overlap Checker

Compare two word lists and see the vocabulary they share.

First word listSecond word list

Use one word per line, or paste the first column of a TSV. Duplicates and width differences are normalized; readings and meanings are not compared.

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How to use this tool

Paste one word per line in each list. Compare unique written forms after Unicode width normalization. Different spellings and inflections remain separate words.

Anki text import instructions · Anki furigana instructions

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