Bella
Grade A- Kokoro🇺🇸 American English · ♀ Female Voice
About the Bella Voice
Bella is a female American English AI voice rated A- on the OfflineTTS quality scale. Speech synthesis runs in your browser with no signup or per-character fees.
Voice character: Expressive
Best for: Creative & dynamic content
How to use the Bella voice:
- Open the [TTS tool](/app/?voice=af_bella)
- "Bella" 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: A- indicates this is an excellent voice with natural phrasing and clear articulation.
The Bella voice uses Kokoro's browser phonemizer and local WebGPU or WebAssembly synthesis. After the initial model download, English generation works completely offline.
Explore other American English voices or browse the [complete voice library](/voice/) for your project.
Best For: Creative & dynamic content
Bella's dynamic expressiveness shines in creative content — vlogs, character voices, dramatic narration, and any project that benefits from vocal variety.
Generate speech with Bella now →Related Voices
Bella Voice — Frequently Asked Questions
Is the Bella voice free to use?
Yes. The Bella 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 Bella voice work offline?
Yes. After the initial model download is cached in your browser, the Bella voice can generate speech completely offline without internet connectivity.
What quality rating does the Bella voice have?
The Bella voice is rated A- on our quality scale. This is an excellent rating — the voice produces very natural speech with expressive inflection.
Can I export WAV and MP3 with Bella?
Yes. After generating speech with Bella, you can download uncompressed 24kHz WAV files for studio editing or compressed MP3 files for sharing and publishing.
Can I use the Bella 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 Bella?
Experience natural American English speech synthesis in your browser with zero setup or character fees.
Open Bella Voice in TTS Studio →