Hiragana to katakana
Input
こうぐなび
Output
コウグナビ
Kana Converter
Convert Japanese kana and full-width alphanumeric notation before CSV, Excel, forms, or document cleanup.
Conversion tools
What it helps with
- Clean kana notation before CSV or Excel paste
- Convert old half-width kana from legacy systems
- Normalize product names, addresses, and form text
How to use
- Paste text that contains hiragana, katakana, half-width kana, or full-width letters and numbers.
- Choose the conversion mode you need.
- Review the converted text and copy the output.
Examples
Half-width kana cleanup
Input
ｶﾀｶﾅ ﾊﾟｽﾜｰﾄﾞ
Output
カタカナ パスワード
Full-width alphanumeric
Input
商品ＡＢＣ１２３
Output
商品ABC123
Good to know
- Does not add furigana to kanji.
- Does not translate text.
- Some historical kana or symbols may need manual review.
FAQ
- Can this add furigana to kanji?
- No. It only converts kana and character width notation. It does not read kanji or add furigana.
- Does it handle voiced and semi-voiced half-width kana?
- Yes. Common combinations such as ｶﾞ and ﾊﾟ are converted with their voiced marks.
- Does this translate Japanese?
- No. It keeps the text meaning as-is and only changes selected character forms.
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Nearby utilities from the KoguNavi toolbox.
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Convert between JSON and CSV, including nested JSON columns.
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Full-width / Half-width Converter
Convert Japanese full-width and half-width text.
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