- Language
- Japanese (日本語)
- Accent
- Japan
- Gender
- Female
- Voice type
- True Crime styled voice
- Delivery
- Serious, intriguing and slightly dark
- Price
- Free to use, no sign-up
About Rei
Rei is a styled voice made on Speechma's own AI voice models for one job: true crime. The character is built into the voice, so every line comes out in that style without any extra settings or tags.
Accent: Standard Japanese (hyōjungo), based on Tokyo speech.
Creators usually choose Rei for true crime stories, mystery podcasts and suspense narration. Holds listeners through the case.
What Rei is best for
- True crime storiesHolds listeners through the case.
- Mystery podcastsBuilds tension episode by episode.
- Suspense narrationKeeps the audience guessing.
Try Rei with this text
This line is already in the tool above. Press Generate to hear Rei read it, or replace it with your own text:
お聞きいただいているのは Speechma です。この声で、動画のナレーションやオーディオブックの朗読ができ、自然でスタジオ品質のサウンドがあらゆる物語に命を吹き込みます。 How to get the best results with Rei
- Reveal details slowly, one per sentence.
- Use pauses before the key facts.
- Write names in hiragana or katakana if the kanji has several possible readings.
- Use Japanese punctuation (、。) so the pauses fall in the right place.
- Write foreign words in katakana for a natural Japanese pronunciation.
How to use Rei
- Open Text to SpeechRei is already selected in the voice list at the top of this page. Press "Use this voice" to jump straight to it.
- Type or paste your textUp to 1,000 characters per conversion, written in Japanese (Kanji, hiragana and katakana script).
- Adjust the deliveryChange the speed or pitch if you need to, and use punctuation to control the pauses.
- Generate and downloadPress Generate, listen to the result and download your MP3.
Rei compared with similar voices
Not sure Rei is the one? These voices are the closest in language, accent, type and style:
| Voice | Gender | Accent | Type | Best for |
|---|---|---|---|---|
| Rei (this voice) | Female | Japan | True Crime styled voice | True crime stories |
| Mio | Female | Japan | Corporate styled voice | Company announcements |
| Sakura Kato | Female | Japan | Explainer styled voice | Explainer videos |
| Momoka | Female | Japan | Mentor styled voice | Coaching and advice videos |
| Mio Matsumoto | Female | Japan | Kids styled voice | Kids stories and learning |
| Kaori | Female | Japan | Storyteller styled voice | Stories and fables |
About the Japanese language
Japanese is spoken almost entirely in Japan and is written with three scripts together: kanji (Chinese characters), hiragana and katakana. It uses pitch accent, and politeness levels are built into the grammar.
Japanese is spoken by about 125 million people and belongs to the Japonic language family. Speechma has 84 Japanese voices, and you can also use Voice Cloning, Voice Changer, Voice Design, Speech to Text, AI Dubbing in Japanese.