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Hiragana ⇔ Katakana Converter

Convert between Hiragana and Katakana using Unicode code point arithmetic. Voiced and semi-voiced sounds are converted accurately.

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How to Use

  1. STEP 1
    Enter or paste hiragana or katakana text into the input area.
  2. STEP 2
    Select 'Hiragana → Katakana' or 'Katakana → Hiragana'.
  3. STEP 3
    Copy the result and use it.
  • Kanji, alphanumerics, and symbols are passed through unchanged.
  • The prolonged sound mark (ー) remains as-is when converting Katakana to Hiragana.

Tips

1

Useful for normalizing furigana columns in a database from hiragana to katakana.

2

Convert song lyrics to hiragana for easier reading.

3

Foreign words are standard in katakana, but hiragana conversion adds a softer feel.

FAQ

  • Q1

    Are half-width katakana converted?

    This tool targets full-width characters only. Use the Full-width ⇔ Half-width Converter for half-width kana.

  • Q2

    Are voiced sounds (e.g., が) converted correctly?

    Yes. Unicode arithmetic correctly maps が to ガ and all other voiced/semi-voiced characters.

  • Q3

    Can I convert large amounts of text?

    Yes. All processing is in-browser so there is effectively no limit on text size.

Feedback (Contact)

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