#425 · Language & Unicode Text Tool

Hiragana Katakana Converter

Convert Japanese hiragana to katakana or katakana to hiragana while preserving kanji, Latin text, numbers, punctuation, small kana, and long vowel marks in mixed Japanese sentences.

Text Input

Kana converter

Recent History

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How to use this text tool

  1. Paste text or upload a TXT/CSV file.
  2. Choose the processing mode and optional settings.
  3. Click the main button or enable live processing.
  4. Copy or download the processed result.

What this tool does

Convert Japanese hiragana to katakana or katakana to hiragana while preserving kanji, Latin text, numbers, punctuation, small kana, and long vowel marks in mixed Japanese sentences.

Uses Unicode character ranges and practical mapping tables for Japanese kana analysis or conversion.

The output is designed for quick review, copying, and export.

Example

Paste sample Japanese text such as “ひらがな カタカナ 東京 スーパー” and run the tool.

Use cases

  • Japanese learning.
  • Localization QA.
  • Text cleanup before publishing.

Tips for better output

  • Use auto mode for mixed Japanese text.
  • Review proper nouns manually.
  • Export CSV/JSON when comparing multiple texts.

Processing details

Hiragana, katakana, kanji, Latin, number, and symbol groups are classified separately so mixed Japanese text can be handled safely.

Romanization and Japanese orthography can vary by style. Names, loanwords, and particles may require manual review.

FAQ

How do I use a hiragana katakana converter online?

Paste your Japanese text, choose the option you need, and run the tool to get counts or converted output.

Can I keep kanji unchanged while converting kana?

Yes. The converter modes preserve kanji and only change the kana characters targeted by the tool.

How do I analyze hiragana and katakana in Japanese text?

The result separates hiragana, katakana, kanji, and other characters with counts and percentages.

Why are some Japanese characters not converted?

Kanji, punctuation, Latin letters, numbers, or unsupported symbols are preserved to avoid destructive changes.

Can I copy the converted Japanese text?

Yes. Use Copy Output or download the processed result as TXT, CSV, or JSON.

Module table

ModuleWhat it checks
ClassifierCounts Japanese character groups
ConverterTransforms supported kana safely
ExportCreates TXT, CSV, and JSON results

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