AI Japanese voice cloning.
Speak Japanese in your own voice.
Record a 30-second sample. Polyvox clones your voice and makes it speak fluent Japanese (日本語) with native pronunciation, intonation, and rhythm. Japanese is pitch-accent (not tonal) and has remarkably consistent syllable timing, which is why it sounds rhythmic.
Native name
日本語
Greeting
こんにちは
Speakers
~125+
Code
ja
Sample phrase
ポッドキャストへようこそ。
Welcome to my podcast.
How it works
From English to Japanese in three steps.
Record your voice
Upload a clean 30-second clip of yourself or someone you have permission to clone. English is fine, Polyvox extracts the voice identity, not the language.
Type or translate
Write directly in Japanese (日本語), or write in English and let Polyvox translate before synthesis. Both produce native pronunciation.
Generate and share
Get an MP3 of your voice speaking fluent Japanese in seconds. Download, share a link, or post directly.
About Japanese
What makes Japanese unique.
Where it's spoken
Japan. ~125 million speakers.
Script and pronunciation
Three scripts: Hiragana, Katakana, and Kanji. Polyvox handles all three seamlessly.
Why Japanese is hard for generic TTS
Politeness levels (keigo) require careful word choice. Polyvox preserves the register of the source text.
Use cases
What you can do with a Japanese voice clone.
- Record Japanese oral exam submissions and class assignments in your own voice
- Dub your podcast or YouTube videos into Japanese
- Send personalized voice messages to Japanese-speaking friends or family
- Create Japanese audiobook narrations in your own voice
- Localize ad creative or marketing voiceovers without re-recording
- Build language-learning content where the same teacher speaks Japanese
- Practice Japanese pronunciation and listening with content in a familiar voice
- Prepare for Japanese presentations and rehearse with native intonation
FAQ
Common Japanese questions.
Does Polyvox support Japanese voice cloning?
Yes. Polyvox supports Japanese (日本語) with native pronunciation, intonation, and rhythm. Politeness levels (keigo) require careful word choice. Polyvox preserves the register of the source text.
Is Japanese included in the free plan?
Yes, Japanese is one of the 8 popular languages available on the free plan. You can clone a voice and generate Japanese clips at no cost.
How accurate is the Japanese pronunciation?
Polyvox uses studio-grade speech synthesis trained on diverse multilingual speech data. Three scripts: Hiragana, Katakana, and Kanji. Polyvox handles all three seamlessly. The cloned voice preserves your speaker identity while producing pronunciation that sounds native to Japanese listeners.
Can I generate Japanese from English text?
Yes. You can either type directly in Japanese, or write in English and let Polyvox auto-translate to Japanese before synthesizing the audio in your cloned voice.
What Japanese dialect or region does Polyvox use?
Polyvox produces standard Japanese suitable for most use cases. Japan
Other languages
Or clone your voice in another language.
Ready to speak Japanese in your voice?
Free to start. No credit card. Clone a voice and generate your first Japanese clip in under a minute.