Generated illustration for Nezumi, a Japanese female Kokoro voice

Nezumi

Grade C- Kokoro

🇯🇵 Japanese · ♀ Female Voice

Listen to natural sample audio
Use Nezumi Voice in TTS →

About the Nezumi Voice

Nezumi is a female Japanese AI voice rated C- on the OfflineTTS quality scale. Speech synthesis runs in your browser with no signup or per-character fees.

Best for: General voice-over

How to use the Nezumi voice:

  • Open the [TTS tool](/app/?voice=jf_nezumi)
  • "Nezumi" will be automatically selected in the voice picker
  • Type or paste your text (up to 50,000 characters per batch)
  • Click generate — speech is created locally on your device
  • Download as studio-quality WAV or compact MP3

Quality rating explained: C- indicates this voice provides clear, intelligible output suitable for drafts and rapid prototyping.

Non-English Kokoro voices use the lightweight OfflineTTS phonemization service for pronunciation tokens, followed by local WebGPU/WASM waveform generation on your device.

Explore other Japanese voices or browse the [complete voice library](/voice/) for your project.

Best For: General voice-over

Nezumi is a reliable female Japanese voice suitable for general voice-over, narration, and content creation.

Generate speech with Nezumi now →

Related Voices

🇯🇵 Alpha C+

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🇯🇵 Gongitsune C

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🇯🇵 Tebukuro C

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🇯🇵 Kumo C-

Japanese · male

Nezumi Voice — Frequently Asked Questions

Is the Nezumi voice free to use?

Yes. The Nezumi voice is completely free. It runs in your browser with no API key, no signup, and no subscription limits. Generate as much speech as you need at zero cost.

Does the Nezumi voice work offline?

Audio synthesis for Nezumi runs on your device. Non-English Kokoro voices use the lightweight OfflineTTS phonemization service before local waveform synthesis.

What quality rating does the Nezumi voice have?

The Nezumi voice is rated C- on our quality scale. This is a solid, clear voice that produces intelligible and natural speech for content creation.

Can I export WAV and MP3 with Nezumi?

Yes. After generating speech with Nezumi, you can download uncompressed 24kHz WAV files for studio editing or compressed MP3 files for sharing and publishing.

Can I use the Nezumi voice for commercial projects?

Yes. The models used on OfflineTTS support commercial content creation. You can use generated audio in YouTube videos, podcasts, audiobooks, and commercial voice-overs.

Ready to use Nezumi?

Experience natural Japanese speech synthesis in your browser with zero setup or character fees.

Open Nezumi Voice in TTS Studio →