Why DictoKey for Japanese?
Japanese is spoken by 125 million people worldwide. Japanese uses three writing systems — hiragana, katakana, and kanji — requiring intelligent script selection during dictation. Whisper accurately transcribes both formal and casual speech registers.
Whisper AI Accuracy
DictoKey uses OpenAI's Whisper large-v3 model — the same engine trusted by professional transcription services. For Japanese, Whisper achieves a word error rate of just 7.2%, significantly outperforming built-in Android speech recognition. Every word, accent mark, and special character is captured precisely.
Features Built for Japanese Speakers
- Voice dictation with 7.2% word error rate for Japanese
- Works in every Android app — WhatsApp, Email, Notes, Chrome, and more
- Real-time translation from Japanese to 52 languages
- AI rewrite — fix grammar, change tone, or rephrase in Japanese
- No internet history stored — audio is processed and immediately deleted
- No account required — install and start dictating in seconds
Translate From Japanese
Speak in Japanese and instantly translate to English, Spanish, French, German, Japanese, or any of 52 supported languages. DictoKey handles the transcription and translation in one step — no copy-pasting between apps.