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Style Converter (Desu/Masu ⇔ Da/Dearu)

Convert between polite and plain Japanese styles

Converts automatically as you type

This uses simplified rules, so results may be unnatural depending on context.

Honorific details are not fully covered.

How to Use

Enter text to convert style in real time.

  • Real-time conversion
  • Rule-based sentence endings
  • Copy button
  • Switch styles

Use cases

  • Normalize polite/plain styles
  • Reduce tone inconsistencies

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